TY  - BOOK
TI  - Environmental conservation
SN  - 0471196002
AV  - S938 .D37 1972
PY  - 1972///]
CY  - New York
PB  - Wiley
KW  - Conservation of natural resources
KW  - United States
KW  - Ecology
KW  - Human ecology
KW  - Environment
KW  - Natural resources
KW  - âEcologie
KW  - Ressources naturelles
KW  - âEcologie humaine
KW  - ram
KW  - âEtats-Unis
KW  - Conservation des ressources naturelles
KW  - Environnement
KW  - Landschaftsschutz
KW  - swd
KW  - Umweltschutz
KW  - Milieubeheer
KW  - gtt
N1  - Includes bibliographical references.; ISBN 0 471 19601 0 Pbk: ¹3.00
ER  -