TY  - BOOK
AU  -  Nelson,Ridley
TI  -  Dryland management : :  the 'desertification' problem / 
SN  -  0821314440
U1  -  VM 057 
PY  - 1990///
CY  -  Washington, D.C. 
PB  -  The World Bank, 
KW  -  Desertification
N1  -  Includes bibliographical references (p. 33-9)
ER  -