TY  - BOOK
AU  - Blaikie Piers
AU  -  Brookfield Harold
TI  - Land degradation and society
U1  - U673, M7/TD 
PY  - 1987///
CY  - London
PB  - Methuen UK         
KW  - Agricultural Geography
N1  - Bib p. 251-84
ER  -