000 00290nam a2200109Ia 45e0
008 181001s1976 xx 000 0 und d
100 _aGupta & Gupta
245 0 _aMaterial science & processes
260 _aDelhi
_bS.Chand & com.
_c1976
300 _a291
942 _2ddc
_cBK
999 _c2700
_d2700