TY  - BOOK
AU  - Ramade,Francois
AU  - Duffin,W.J..
TI  - Ecology and natural resources / 
SN  - 0471906255
U1  - 333.7 
PY  - 1984///
CY  - New York : 
PB  - John Wiley , 
KW  - NATURAL RESOURCES
N1  - NULL
ER  -