TY  - BOOK
AU  - Nand,Brahma
AU  - Tyagi,B S.
AU  - Sharma,Bhu Dev
TI  - Co-Ordinate geometry: co-ordinate geometry of three dimensions 
U1  - 516.16 
PY  - 1869///
CY  - Delhi
PB  - Kader Nath Ram Nath
KW  - Geometry, Analytic
N1  - "Designed as a text-book for colleges and scientific schools."
ER  -