00299nam a2200097Ia 4500008004000000082001700040100004000057245004100097260005500138300000800193210210b1987   xxu||||| |||| 00| 0 eng d  a001.642 ROOP  aROONEY (Joe) and STEADMAN (Philip).  aPrinciples of computer aided design.  aMadrasbAffiliated East-West Prees Pvt. Ltd.c1987  a341