000 00306nam a2200121Ia 4500
008 211126s9999 xx 000 0 und d
082 _a621.382
100 _aJOHN C.HANCOCK
245 4 _aTHE INTRODUCTION TO THE PRINCIPLES OF COMMUNICATION THEORY
260 _bT.M.H
365 _b93.00
942 _cBTECH
999 _c124102
_d124102