000 00285nam a2200121Ia 4500
008 220201s1976 xx 000 0 eng d
082 _a670
_bGUP
100 _aGupta,RB
245 0 _aProduction Technology
260 _bNew Delhi: Satya Prakashan
_c1976
300 _a556
942 _2ddc
999 _c80264
_d80264