TY  - BOOK
AU  - Chisholm, Anthony 
AU  - Dums, Robert 
TI  - Land degradation : : problems and policies 
SN  - 0521340799
U1  - 333.7313 
PY  - 1987///
CY  - Cambridge : 
PB  - Cambridge University Press, 
KW  -  Land degradation
KW  - Congresses.
KW  - Australia
ER  -