Environmental science : a global concern - Cunningham, William P. 4 0 16; Saigo, Barbara Woodworth; 5 (Boston : WCB/McGraw-Hill, 1999)
V. 1. Text -- v. 2. Student study guide / prepared by Darby Nelson.
Includes bibliographical references (p. [593]-609) and index.
Keywords: 2 -- 0; 6; Environmental sciences. -- 20; 20; 2