000 00542nam a2200229 4500
008 110906s9999 xx 000 0 und d
020 _a0-13-250440-5
020 _a(paper back):
082 0 0 _a38 rod
082 0 0 _a621
100 0 _aroddy,
245 1 0 _aelectronic communications:
_cdennis;
250 _a3
260 _auk:
_bprintice-hall
_c1984,
300 _a788,
300 _axii.
_c23
500 _aincludes index
504 _aincludes references
600 1 0 _xmutiple authors
650 0 _atelecommunication
906 _c
999 _c43206
_d43206