Cunningham, William P. Environmental science a global concern Willium P. Cunningham, Mary Ann Cunningham and Barbara Woodworth Saigo. - 8th. ed.. - Boston McGrawHill Higher Education 2005 - xxiv, 600p.: ill; 28cm. ISBN: 72439564 Subjects--Topical Terms: Environmental sciences; Water pollution. Dewey Class. No.: 363.7 / C84E