TY  - BOOK
AU  - Sidheswar, N  .
AU  - Kannaiah,P  .
AU  - Sastry,V.V.S  .
TI  - Machine drawing, Part I / 
SN  - 139780074603376
U1  - 621.8152 
PY  - 1985///
CY  - New Delhi
PB  - Tata Mc-Graw Hill Publishing Company , 
ER  -