TY  - BOOK
AU  - Agrawal, Sanat
AU  - Agarwal, M.M. Gu.
ED  - University of Roorkee, Roorkee, Mechanical Engineering
TI  - Design and development of software in Autolisp language for interactive teaching of engineering drawing
U1  - 621.072 
PY  - 1990///
ER  -