TY  - BOOK
AU  - Singh, R. L.
AU  - Singh, Rana P. B.
TI  - Elements of practical geography
SN  - 81-7096-351-6
U1  - 526.8 
PY  - 1992///
CY  - New Delhi
PB  - Kalyan Publishers
KW  - Maps
KW  - Map Projection
KW  - Mathematical Geography
N1  - Reprinted 1995
ER  -