000 00277nam a2200121Ia 4500
008 160710s1990 xx 000 0 und d
100 _aHA,T. T.
245 _aDigital satellite communications
250 _a2
260 _bMcgraw Hill
_c1990
300 _a641
942 _2ddc
_cB
999 _c52870
_d52870