TY  - BOOK
AU  - Barrow,Christopher J.
TI  - Land degradation: development and breakdown of terrestrial environments 
SN  - 0521353335 :
U1  - 628.55 
PY  - 1991///
CY  - Cambridge
PB  - The University Press
KW  - Nature
KW  - Effect of human beings on
KW  - Land degradation
KW  - Pollution
KW  - Environmental aspects
KW  - Soil conservation
N1  - Bibliography : p. 261-285
ER  -