000 00312nam a2200145Ia 4500
008 230912s9999 xx 000 0 und d
082 _a624
100 _aDuggal, S.K.
245 0 _aBuilding Materials
250 _aIII rev
260 _aNEW DELHI
260 _bNEW AGE
260 _c2011
300 _axvi,525
999 _c82145
_d82145