TY  - BOOK
AU  - Lal, Bansi
TI  - Three-Diamensional differntial Geometey
U1  - 516.36 
PY  - 1976///
CY  - Delhi
PB  - Atma Ram and Sons
KW  - Developable surfaces
KW  - Differntial geometey
KW  - Three-Diamensional geometey
N1  - Includes index
ER  -