000 00263nam a2200097Ia 4500
008 150310s9999 xx 000 0 und d
100 _aLEVENS A S & EDSTROM A E
245 _aPROBLEMS IN MECHANICAL DRAWING FIRST COURSE
250 _a3
260 _c1966
_bMC GRAW HILL
999 _c4376
_d4376