Cunningham, William P. Cunningham, Mary Ann Principles of environmental science: inquiry and applications / [by] William P.Cunningham, Mary Ann Cunningham - 3rd ed. - Boston McGraw-Hill 2006 - xvii, 428 p. Includes appendixes, glossary and index. ISBN: 72823399 Subjects--Topical Terms: Environmental science Dewey Class. No.: 363.7 / CUN