000 00302nam a2200121Ia 4500
100 _aPratt Timothy & Bostian, Charies W.
020 _a9971-513-22-6
942 _cBK
245 _aSatellite communications
260 _aJohn wiley & sons, New York
_c1986
082 _a384.51 Pra
300 _axviii,472p
999 _c28184
_d28184