000 002970000a22001090004500
245 _aNew direction in satellite communications challenges for North and South
100 _aHudson, Heather E., d.
260 _aDedham
_bArtech House
_c1985
080 _a629.783
_bH8
041 _aEN
942 _cBK
999 _c119068
_d119068