Botkin, Daniel B.
Environmental studies the Earth as a living planet Daniel B. Botkin and Edward A. Keller - Columbus, [Ohio] C.E. Merrill Pub. Co. c1982 - ix, 506 p. : ill. ; 29 cm.
0675098130
Ecology
Pollution--Environmental aspects
Conservation of natural resources
574.5
Environmental studies the Earth as a living planet Daniel B. Botkin and Edward A. Keller - Columbus, [Ohio] C.E. Merrill Pub. Co. c1982 - ix, 506 p. : ill. ; 29 cm.
0675098130
Ecology
Pollution--Environmental aspects
Conservation of natural resources
574.5