000 00262nam a22000977a 4500
082 _a604.2
_bSPE.D
100 _aSpence, William P
245 _aDrafting technology and practice
_c William P Spence,
260 _aIllinois:
_bChas. A. Bennett co;
_c1973
942 _cBK
999 _c325922
_d325922