|
1
|
|
|
|
QH541
.R63
|
The ecosphere : organisms, habitats, and disturbances
|
New York, [ United States ] : Harper and Row Publishers , 1974
|
Rodgers, C. Leland
|
|
13954
|
|
2
|
|
|
|
HD75.6
.O9
|
Our common future/ World commission on environment and development
|
Oxford, [ United Kingdom ] : Oxford University Press , 1987
|
|
|
29601
|
|
3
|
|
|
|
QH541
.D4
|
Man's impact on environment
|
New York, [ United States ] : McGraw-Hill, Inc. , 1971
|
Detwyler, Thomas R.
|
|
48534
|