000 00316nam a2200121Ia 4500
001 8315
008 170722s9999 xx 000 0 und d
100 _aBerry, Ralph
245 _aCommunication through the mass media :
_bA reader in communications /
260 _c1971.
653 _aMass Communication
942 _cGEN
999 _c86414
_d86414