000 00263nam a2200085Ia 4500
008 130123s9999 xx 000 0 und d
082 _a630.715
245 _aJournal of Communication Vol 55 No.1-3
260 _aUSA
_bUniversity of Penneysylvania Philadelophic
_c2005-2006
999 _c79853
_d79853