000 00300nam a2200133Ia 4500
008 220421s9999||||xx |||||||||||||| ||und||
020 _c350
040 _aET
100 _aDuggal , S.K.
245 0 _aBuilding Materials
260 _bNew Age Internation
_aNEW DELHI
500 _a59997
942 _cBK
999 _c65960
_d65960