39603
Botkin, Daniel B.
Environmental studies: earth as a living planet
Columbus
Merrill Pub. Co.
c1987
xvi, 685p., 16p.: ill
Includes bibliographies and index
Daniel B. Botkin, Edward A. Keller
2nd ed
، Ecology
Environmental aspects ، Pollution
، Conservation of natural resources
QH
541
.
B65
1987
AU
AU Keller, Edward A. 1942-
TI
CL
