Gupta, R.B creator text New Delhi Tech India Publications 1993 monographic 264,110p AutoCAD Computer-aided design Engineering drawings Mechanical drawing Engineering design--Data processing 620.00420285GUP 9380026870 (paperback) 9789380026879 (paperback) http://www.amazon.com/exec/obidos/ASIN/9380026870/chopaconline-20 http://www.amazon.com/exec/obidos/ASIN/9380026870/chopaconline-20