Detwyler, Thomas R.,
Man's impact on environment - New York, McGraw-Hill [1971] - xiii, 731 p. illus., maps. 26 cm - McGraw-Hill series in geography .
0070165920
Nature
Pollution
500 HIL 1971 A080 Or.
Man's impact on environment - New York, McGraw-Hill [1971] - xiii, 731 p. illus., maps. 26 cm - McGraw-Hill series in geography .
0070165920
Nature
Pollution
500 HIL 1971 A080 Or.