TY  - BOOK
AU  - Ahmad, Yusuf J.
AU  - Kassas, Mohamed.
TI  - Desertification: : financial support for the biosphere
U1  - 631.0915 
PY  - 1987///
CY  - London
PB  - Hodder and Soughton
KW  - BiÃ³sfera
KW  - DesertificaciÃ³n
ER  -