TY  - GEN
AU  - Nir, Dov
TI  - Semi-arid world: man onthe fringe of the desert
T2  - Geographical for advanced study
SN  - 0  58-480671
U1  - 330.  915 NIR 
CY  - Newyork, Longman group ltd
KW  - Soil development/climatic problems/ human activity-semiarid enviornment/aridzones
ER  -