TY  - BOOK
AU  - Nigam, S. P.
AU  - Gangwar, S. S.
TI  - Co - Ordinate geometry of three dimensions
U1  - 541.345 
PY  - 1984///
CY  - Agra
PB  - Ram Prasad And Sons
KW  - Three dimensions
KW  - Co - Ordinate geometry
ER  -