TY  - GEN
AU  - Leigh, Ronald W.
TI  - Auto CAD : a concise guide to commands and features
PY  - 1992///
CY  - New Delhi
PB  - Galgotia
KW  - COMPUTER AIDED DESIGN
KW  - COMPUTER AIDED ENGINEERING
N1  - includes appendices A,B,C,D,E,F & G
ER  -