TY  - BOOK
AU  - Subrata Pal, Madhusudan Bhattacharyya
TI  - Computer-Aided Engineering Drawing
SN  - 9788130931982
U1  - 620.0042 
PY  - 2015///
CY  - New delhi 
PB  - Viva books 
KW  - Engineering design
ER  -