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020 _a08900061157
041 _aeng
082 _a621.3804222
100 _aJANSKY, DONALD M.
245 0 _aCOMMUNICATION SATELLITES IN THE GEOSTATIONARY ORBIT
250 _aS.E.
260 _aEstados Unidos
_bARTECH
_c1983
260 _aWASHINGTON
300 _a509
942 _c01
010 _a7875
999 _c198422
_d198422