Landis, Wayne G. Introduction to environmental toxicology : impacts of chemicals upon ecological systems / Environmental toxicology Wayne G. Landis, Ming-Ho Yu. - 3rd ed. - 484 p. : ill. ; 25 cm. ISBN: 1566706602 (hardback : acid-free paper) LCCN: 2003055695 Subjects--Topical Terms: PollutionEnvironmental toxicology LC Class. No.: QH545.A1 / L35 2003