000 00305nam a2200121Ia 4500
008 220201s1976 xx 000 0 eng d
082 _a690
_bGUP
100 _aGupta,BL
245 0 _aBhawan Nirman Technology ( Building construction tech.)
260 _bStandad Pub.
_c1976
300 _a635
942 _2ddc
999 _c80428
_d80428