Ragsdale, Nancy N. Pesticides minimizing, the risks - Washington : American Chemical Society, 1987 - 183 p. : ilus. - ACS symposium series ; 336 . - ACS symposium series ; 336 . LCCN: 64643 Subjects--Topical Terms: Pesticidas--Medidas de Seguridad.Pesticidas--Toxicidad. Dewey Class. No.: 632.95 / R3