TY  - GEN
AU  - Thanikachalam, V. 
AU  - Natarajan, K.V. 
TI  - Civil engineering drawing manual : including drawings in a separate volume 
U1  - 604.2 
PY  - 1983///
CY  - New Delhi
PB  - S.Chand & Company Ltd
KW  - technical drawing, hazardous materials technology, history and description with respect to kind of persons
ER  -