000 00293nam a2200121Ia 4500
008 230222s9999 xx 000 0 und d
082 _a624.18
100 _aDuggal S K
245 0 _aBuilding Materials
250 _a2
260 _bNew Age International Pvt Ltd, New Delhi
_c2007
942 _cBK
999 _c12287
_d12287