000 00300nam a2200121Ia 4500
008 160710s1971 xx 000 0 und d
082 _a510.783 BOO
100 _aBOOTH,T.L.
245 _aDIGITAL NETWORKS AND COMPUTER SYSTEMS
260 _bJOHN WILEY & SONS
_c1971
300 _a451
942 _2ddc
_cB
999 _c40996
_d40996