TY  - BOOK
AU  - Thanikachalam, V and Natarajan, K. V.
TI  - Civil engineering drawing manual
SN  - NA
AV  - 10067 
U1  - 624.0221 22
PY  - 1986///
CY  - New Delhi, 
PB  - S. Chand and Company Ltd. 
ER  -