TY  - GEN
AU  - Voisinet, Donald D.3194
TI  - Computer aided drafting and design: : concepts and applications
SN  - 0070675651
U1  - 681.31:74 
PY  - 1987///
CY  - New Delhi
PB  - McGraw Hill
KW  - Computer graphics
KW  - Computer aided design
KW  - 681.31:74
ER  -