TY  - BOOK
AU  - Simmons,I.G.
TI  - The ecology of natural resources
SN  - 071315733X :
AV  - GF41 .S54 1974b
U1  - 301.31 
PY  - 1974///
CY  - London
PB  - Arnold
KW  - Human ecology
KW  - Natural resources
N1  - Includes index; Bibliography: p. [382]-405
ER  -