TY  - BOOK
AU  - Balakrishnan,Arun Seeralan
AU  - Samuel,C.Samson Jerold
TI  - Design principles: with an introduction to Autocad 
AV  - T385 .B35 2012
U1  - 604.24 21
PY  - 2012///
CY  - Tamilnadu, India
PB  - Shine Pub.
KW  - Engineering graphics
ER  -