000 00272nam a2200109Ia 4500
008 220201s1999 xx 000 0 eng d
100 _aAggrawal,A and Arora,NL
245 0 _aT.B of Building materials
260 _bNew India Pub House
_c1999
300 _a329
942 _2ddc
999 _c87194
_d87194