000 00277nam a2200109Ia 4500
008 160710s1981 xx 000 0 und d
100 _aMALVIND, A P
245 _aDEGITAL PRINCIPAL & APPLICATION
260 _aNEWDELHI
_bTATA MCGRAW HILL
_c1981
300 _a490
942 _2ddc
_cB
999 _c44346
_d44346