000 00262nam a2200097Ia 4500
082 _aJ 384.51 BYER
245 0 _aCommunications satellites
100 _a BYERS, Ann New York, 2003 1st ed
_921657
942 _cBK
008 210816s9999 xx 000 0 und d
999 _c90540
_d90542