000 00297nam a2200121Ia 4500
008 160710s1986 xx 000 0 und d
082 _a621.3819 MAR
100 _aVICTORIA C MARNEY
245 _aNETWORKING AND DATA COMMUNICATION
260 _bRESTON PUB
_c1986
300 _a170
942 _2ddc
_cB
999 _c46834
_d46834