Environmental Science: managing the environment /
Purdom, Walton P.
Environmental Science: managing the environment / [textbook] by Walton, P. Purdon and Stanley H. Anderson - Ohio: A Bell and Howell Company, 1980 - xi, 523 pages: illustrations;
Includes bibliographical reference and index.
067508170x
Ecology
Environmental protection
GF41 / PUR
Environmental Science: managing the environment / [textbook] by Walton, P. Purdon and Stanley H. Anderson - Ohio: A Bell and Howell Company, 1980 - xi, 523 pages: illustrations;
Includes bibliographical reference and index.
067508170x
Ecology
Environmental protection
GF41 / PUR