000 00273nam a2200121Ia 4500
008 220201s1981 xx 000 0 eng d
082 _a621.815
_bGIL
100 _aGill, PS
245 0 _aTb of machine drawing
260 _bKatson Pub
_c1981
300 _a536
942 _2ddc
999 _c82019
_d82019