000 00308nam a2200109Ia 4500
008 231207s9999 xx 000 0 und d
020 _a0195049942
082 _a302.2
_bINT
245 0 _aInternational encyclopedia of communications
260 _bOxford University Press
_aNew York
_c1989
300 _a4 volume set
999 _c34188
_d34188