TY  - BOOK
AU  - I G SIMMONS
TI  - THE ECOLOGY OF NATURAL RESOURCE
SN  - 0 7131 5733X
U1  - GN575ST31P2 
PY  - 1974///
CY  - LONDON
PB  - BUTLER&TANNER
KW  - THE ECOLOGY OF NATURAL RESOURCE
ER  -