000 00262nam a2200109Ia 4500
008 220201s1976 xx 000 0 eng d
100 _aGupta, Bhagirathi Lal
245 0 _aBhawan nirman technology
260 _bStandard Pub
_c1976
300 _a635
942 _2ddc
999 _c82063
_d82063