000 00263nam a2200109Ia 4500
008 220201s1989 xx 000 0 eng d
100 _aJOSHI D R
245 0 _aPOSHAAK NIRMAN KE SIDDHANT
260 _aDELHI
_bTATA MCGRAW HILL
_c1989
300 _a170
942 _2ddc
999 _c91231
_d91231