000			00331nam a2200157Ia 4500
008			190201s9999 xx 000 0 und d
020			_a9.79E+12
082			_a691
082			_bDUG
100			_a"Duggal, S.K.."
245		0	_aBuilding Materials
260			_aNew Delhi
260			_bNew Age
260			_c2003
300			_a535
999			_c47179 _d47179