00349nam a2200133 a 450000500170000002000150001708200150003210000190004710000230006624500380008926000410012730000250016863000220019320251202164246.0  a053403053X  a006.6bDEM  aDemel, John T.  aMiller, Michael J.  aIntroduction to computer graphics  aMassachusettsbPWS Engineeringc1984  axi,427p.b23 cm.cPB  aComputer graphics