Resources and man a study and recommendations

Resources and man a study and recommendations

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Manylion Llyfryddiaeth
Awduron Corfforaethol: National Research Council (U.S.). Committee on Resources and Man, National Research Council (U.S.). Division of Biology and Agriculture
Awduron Eraill: Cloud, Preston 1912-
Fformat: Llyfr
Iaith:English
Cyhoeddwyd: San Francisco [published by] W. H. Freeman [for the National Academy of Sciences 1969]
Pynciau:
Environmental policy.
Natural resources.