State of the environment :
State of the environment : an assessment at mid-decade /
A report from the conservation foundation
- Washington D.C. : The conservation foundation , c1984.
- xxxiv, 586 p. : ill. ; 23 cm.
Includes bibliographical references & index.
0819640843
environment
363.7973 / STA
Includes bibliographical references & index.
0819640843
environment
363.7973 / STA