TY  - BOOK
AU  - Cloud,Preston
ED  - National Research Council (U.S.).
ED  - National Academy of Sciences (U.S.)
TI  - Resources and man: a study and recommendations 
PY  - 1969///
CY  - San Francisco
PB  - W. H. Freeman for the National Academy of Sciences
KW  - Environmental policy
KW  - Natural resources
N1  - Includes bibliographical references
ER  -