000 00274nam a2200097Ia 4500
008 220201s9999 xx 000 0 eng d
100 _aKILLEN (HAROLD B)
245 0 _aDIGITAL COMMUNICATIONS WITH FIBER OPTICS AND SATTELITE APPLICATIONS
260 _bH.I. LONDON
942 _2ddc
999 _c95053
_d95053