000 00327nam a2200133Ia 4500
008 220201s1990 xx 000 0 eng d
041 _aENG
100 _aTRIT,HA
245 0 _aDIGITAL SATELLITE COMMUNICATION
250 _a2ND
260 _aLONDON
_bTHAMES AND HUDSON PUBLISHING COMPANY
_c1990
300 _a641
942 _2ddc
999 _c61831
_d61831