000 00240nam a2200097Ia 4500
008 160710s1983 xx 000 0 und d
100 _aHELMS,H.
245 _aMC GRAW -HILL COMPUTER HAND BOOK
260 _bMC GRAW HILL
_c1983
942 _2ddc
_cD
999 _c70582
_d70582