000 00392nam a2200181Ia 4500
008 240220s9999 xx 000 0 und d
041 _aENG
100 _aNarang B. S.
245 0 _aMaterial science
250 _a2 ed Ed.
260 _aDelhi
260 _bC. B. S. Publishers And Dist.
260 _c1983
300 _a20p.
365 _b27.5
650 _aCHEMISTRY
942 _cDBK
999 _c15409
_d15409