Resources and man : a study and recommendations / by the Committee on Resources and Man of the Division of Earth Sciences, National Academy of Sciences-National Research Council, with the cooperation of the Division of Biology and Agriculture. Preston Cloud, chairman. National Research Council (U.S.). Committee on Resources and Man. Cloud, Preston, 1912-1991. National Research Council (U.S.). Division of Biology and Agriculture. Environmental policy. Natural resources. HC79.E5 N35 1969 333.9 RES On verso of t.p.: National Academy of Sciences publication, number 1703. Not in series--info. from National Academy of Sciences. Includes bibliographies. San Francisco : [published by] W. H. Freeman [for the National Academy of Sciences, c1969 . c1969 . 1969 Text xi, 259 p. : eng