Media type: E-Article Title: Pesticides and Ecosystems Contributor: Thimann, Kenneth V. Published: Oxford University Press (OUP), 1983 Published in: BioScience, 33 (1983) 2, Seite 76-76 Language: Not determined DOI: 10.2307/1309160 ISSN: 0006-3568; 1525-3244 Keywords: General Agricultural and Biological Sciences Origination: Footnote: