000 00265nam a2200109Ia 4500
008 160710s1981 xx 000 0 und d
100 _aMARTIN,J.
245 _aCOMPUTER NETWORKS & DISTRIBUTED PROCESSING
260 _bP.H.I.
_c1981
300 _a562
942 _2ddc
_cB
999 _c47885
_d47885