TY  - BOOK
AU  - Pal, Saroj K..
TI  - Computing Mathematical Techniques in Geography / 
SN  - 81-7018-749-4
U1  - UoaB 
PY  - 1995///
CY  - Delhi : 
PB  - B.R. Publishing Cooperation , 
KW  - Venn Diagramms
ER  -