TY  - BOOK
AU  - Gupta, S K
TI  - Global Research On Drainage In Agriculture. : : An Annotated Biblography, 1960-1986 / 
SN  - 8170220262
U1  - 910 
PY  - 1987///
CY  - New Delhi
PB  - Concept Publishing Company
KW  - Geography & travel, Geography
N1  - Index
ER  -