00365nam a2200133Ia 4500082002200000100002000022245004100042260003400083300002100117490007600138500000500214700000500219856000700224  a518.5443bR988.CA  aRyan, Daniel L.  aComputer-aided graphics and designb  aNew YorkbMarcel Dekkerc1979  avii, 324p. Index  aMechanical Engineeringva series of textbooks and reference books ; v.2  a  a  df