000 003320000a22001330004500
245 _aCAD : principles and applications
100 _aBarr, P.C. ...[et al.]
260 _aEnglewood Cliffs
_bPrentice Hall
_c1985
300 _aix, 206p. : ill.
020 _a0131101986
080 _a621:004
_bC6
041 _aEN
942 _cBK
999 _c118247
_d118247