000			00347nam a2200145Ia 4500
008			211209s2012 xx 000 0 und d
020			_a978-81-224-3379-1
041			_aeng
082			_a691 DUG
100			_aS K DUGGAL
245			_aBUILDING MATERIALS
250			_a4th ed.
260			_bNEW AGE INTERNATIONAL(P)LIMITED _c2012
300			_a594
999			_c74133 _d74133