000 00331nam a2200109Ia 4500
001 MPKV007476
008 120911s9999 xx 000 0 und d
082 _a621.3
245 _aIEEE Communication Society. Vol.13
_c;
246 _aIEEE Communication Society
260 _aNew York
_bInstitute of Electrical and Electronics Engineers
_c1975
999 _c7093
_d7093