TY  - BOOK
AU  - Simmons I G
TI  - Ecology of natural resources
SN  - 071315733X
U1  - "U671, L4 D&W" 
PY  - 1974///
CY  - London
PB  - Edward Arnold U K    
KW  - Geography
N1  - Bibliography  p.382-405; Appendix:P 377-81; Index:P406-24
ER  -