The ecology of natural resources Simmons, I. G. (Ian Gordon) 1937- creator text bibliography enk London Arnold 1974 monographic eng
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viii, 424 p. : ill., maps ; 24 cm. I. G. Simmons. Includes index. Bibliography: p. [382]-405. Human ecology Natural resources GF41 .S54 1974b 333 SIE 071315733X : 75307346 DLC 760120 20140814122201.0 3165827