00350nam a2200133 a 450000500170000002000150001708200200003210000170005224500340006926000300010330000230013363000390015663000210019520251202164128.0  a0850389372  a001.640222bMED  aMedland, A.J  aComputer based design process  aLo ndonbKogan Pagec1986  a232 p.b22 cm.cPB  aEngineering design data processing  aComputer science