00235nam a22000977a 4500020001800000082001900018100002600037245003500063260003000098300000900128  a0-471-51796-8  a620.0042 ERT'E  aERTAS, A, JONES, J. C  aTHE ENGINEERING DESIGN PROCESS  aNEWYORKbJOHN WILEYc1993  a525P