000 00302nam a2200133Ia 4500
005 20260413100422.0
008 230516s9999||||xx |||||||||||||| ||und||
100 _aDogra ,R.K
245 0 _aMaterial Science
260 _bNew Delhi ,s.k. Katria
_c1999
300 _a738
942 _cDB
999 _c690
_d690