000 00319nam a2200133Ia 4500
005 20260413100809.0
008 230516s9999||||xx |||||||||||||| ||und||
100 _aSingh Parbin
245 0 _aCivil engg materils
260 _bS.K. Kataria N Delhi
_c2012
300 _a279
942 _cGB
999 _c4647
_d4647