TY  - BOOK
AU  - Dhawan, R. K. 
TI  - A textbook of engineering drawing: geometrical drawing 
SN  - 8121914310
AV  - 3305 
U1  - 604.2 22
PY  - 1999///
CY  - New Delhi, 
PB  - S. Chand and Company Ltd.
ER  -