TY  - BOOK
AU  - Tolba, Mostafa K..
TI  - Saving our planet: Challegnes and hopes / 
SN  - 0 412 47370 4
U1  - G:5 
PY  - 1998///
CY  - London SE1 8HN : 
PB  - Chapman & Hall , 
KW  - Environment
ER  -