{"id":"https://openalex.org/A5000335796","orcid":null,"observed_orcids":[],"display_name":"Erkki Pekkala","raw_author_names":["E Pekkala","E. Pekkala","Erkki Pekkala"],"full_name":"Erkki Pekkala","works_count":20,"cited_by_count":128,"summary_stats":{"2yr_mean_citedness":0.0,"h_index":5,"i10_index":3},"ids":{"openalex":"https://openalex.org/A5000335796","orcid":null,"observed_orcids":[]},"affiliations":[{"institution":{"id":"https://openalex.org/I155660961","ror":"https://ror.org/05vghhr25","display_name":"University of Turku","country_code":"FI","type":"education","lineage":["https://openalex.org/I155660961"]},"years":[1997]},{"institution":{"id":"https://openalex.org/I2801970007","ror":"https://ror.org/05dbzj528","display_name":"Turku University Hospital","country_code":"FI","type":"healthcare","lineage":["https://openalex.org/I2801970007","https://openalex.org/I4210127022"]},"years":[2010,1989,1981]}],"last_known_institutions":null,"topics":[{"id":"https://openalex.org/T13557","display_name":"Environmental and sustainability education","count":7,"subfield":{"id":"https://openalex.org/subfields/2308","display_name":"Management, Monitoring, Policy and Law"},"field":{"id":"https://openalex.org/fields/23","display_name":"Environmental Science"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},{"id":"https://openalex.org/T12165","display_name":"Environmental Sustainability and Education","count":6,"subfield":{"id":"https://openalex.org/subfields/2308","display_name":"Management, Monitoring, Policy and Law"},"field":{"id":"https://openalex.org/fields/23","display_name":"Environmental Science"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},{"id":"https://openalex.org/T10072","display_name":"Science Education and Pedagogy","count":4,"subfield":{"id":"https://openalex.org/subfields/3304","display_name":"Education"},"field":{"id":"https://openalex.org/fields/33","display_name":"Social Sciences"},"domain":{"id":"https://openalex.org/domains/2","display_name":"Social Sciences"}},{"id":"https://openalex.org/T13870","display_name":"Environmental and Ecological Studies","count":4,"subfield":{"id":"https://openalex.org/subfields/2105","display_name":"Renewable Energy, Sustainability and the Environment"},"field":{"id":"https://openalex.org/fields/21","display_name":"Energy"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},{"id":"https://openalex.org/T10518","display_name":"Gallbladder and Bile Duct Disorders","count":3,"subfield":{"id":"https://openalex.org/subfields/2740","display_name":"Pulmonary and Respiratory Medicine"},"field":{"id":"https://openalex.org/fields/27","display_name":"Medicine"},"domain":{"id":"https://openalex.org/domains/4","display_name":"Health Sciences"}}],"topic_share":[{"id":"https://openalex.org/T13870","display_name":"Environmental and Ecological Studies","value":0.0002721,"subfield":{"id":"https://openalex.org/subfields/2105","display_name":"Renewable Energy, Sustainability and the Environment"},"field":{"id":"https://openalex.org/fields/21","display_name":"Energy"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},{"id":"https://openalex.org/T13557","display_name":"Environmental and sustainability education","value":2.59e-05,"subfield":{"id":"https://openalex.org/subfields/2308","display_name":"Management, Monitoring, Policy and Law"},"field":{"id":"https://openalex.org/fields/23","display_name":"Environmental Science"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},{"id":"https://openalex.org/T12165","display_name":"Environmental Sustainability and Education","value":2.48e-05,"subfield":{"id":"https://openalex.org/subfields/2308","display_name":"Management, Monitoring, Policy and Law"},"field":{"id":"https://openalex.org/fields/23","display_name":"Environmental Science"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},{"id":"https://openalex.org/T13697","display_name":"Biliary and Gastrointestinal Fistulas","value":1.42e-05,"subfield":{"id":"https://openalex.org/subfields/2740","display_name":"Pulmonary and Respiratory Medicine"},"field":{"id":"https://openalex.org/fields/27","display_name":"Medicine"},"domain":{"id":"https://openalex.org/domains/4","display_name":"Health Sciences"}},{"id":"https://openalex.org/T13435","display_name":"Animal and Plant Science Education","value":1.29e-05,"subfield":{"id":"https://openalex.org/subfields/3207","display_name":"Social Psychology"},"field":{"id":"https://openalex.org/fields/32","display_name":"Psychology"},"domain":{"id":"https://openalex.org/domains/2","display_name":"Social Sciences"}}],"x_concepts":[{"id":"71924100","wikidata":"https://www.wikidata.org/wiki/Q11190","display_name":"Medicine","score":0.9889004230499268},{"id":"141071460","wikidata":"https://www.wikidata.org/wiki/Q40821","display_name":"Surgery","score":0.6714909672737122},{"id":"126322002","wikidata":"https://www.wikidata.org/wiki/Q11180","display_name":"Internal medicine","score":0.6168359518051147},{"id":"90924648","wikidata":"https://www.wikidata.org/wiki/Q120569","display_name":"Gastroenterology","score":0.5976675152778625},{"id":"41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","score":0.36600378155708313}],"counts_by_year":[{"year":1981,"works_count":1,"oa_works_count":0,"cited_by_count":0},{"year":1987,"works_count":1,"oa_works_count":0,"cited_by_count":0},{"year":1989,"works_count":1,"oa_works_count":1,"cited_by_count":0},{"year":1991,"works_count":1,"oa_works_count":0,"cited_by_count":0},{"year":1992,"works_count":1,"oa_works_count":0,"cited_by_count":0},{"year":1994,"works_count":1,"oa_works_count":0,"cited_by_count":0},{"year":1995,"works_count":1,"oa_works_count":0,"cited_by_count":0},{"year":1997,"works_count":1,"oa_works_count":1,"cited_by_count":0},{"year":1999,"works_count":1,"oa_works_count":0,"cited_by_count":0},{"year":2008,"works_count":3,"oa_works_count":0,"cited_by_count":0},{"year":2009,"works_count":1,"oa_works_count":0,"cited_by_count":0},{"year":2010,"works_count":1,"oa_works_count":0,"cited_by_count":0},{"year":2012,"works_count":0,"oa_works_count":0,"cited_by_count":5},{"year":2013,"works_count":0,"oa_works_count":0,"cited_by_count":4},{"year":2014,"works_count":0,"oa_works_count":0,"cited_by_count":4},{"year":2015,"works_count":2,"oa_works_count":0,"cited_by_count":6},{"year":2016,"works_count":2,"oa_works_count":0,"cited_by_count":3},{"year":2017,"works_count":2,"oa_works_count":0,"cited_by_count":6},{"year":2018,"works_count":0,"oa_works_count":0,"cited_by_count":2},{"year":2019,"works_count":0,"oa_works_count":0,"cited_by_count":3},{"year":2021,"works_count":0,"oa_works_count":0,"cited_by_count":5},{"year":2022,"works_count":0,"oa_works_count":0,"cited_by_count":1},{"year":2023,"works_count":0,"oa_works_count":0,"cited_by_count":2},{"year":2024,"works_count":0,"oa_works_count":0,"cited_by_count":1},{"year":2025,"works_count":0,"oa_works_count":0,"cited_by_count":2}],"display_name_alternatives":["E Pekkala","E. Pekkala","Erkki Pekkala"],"block_key":"e pekkala","works_api_url":"https://api.openalex.org/works?filter=author.id:A5000335796","updated_date":"2026-10-27T12:30:23","created_date":"2016-06-24T00:00:00"}