Cunningham, William P. Environmental science : a global concern / William P. Cunningham, Barbara Woodworth Saigo - 5th ed. - Boston : WCB/McGraw-Hill, 1999. - xxii, 650 p. : ill. ; 29 cm. Includes bibliographical references and index ISBN: 0697360237 Subjects--Topical Terms: Environmental sciences. LC Class. No.: GE 105 C86 1999 CIRC