RT Book T1 Gatekeeping T2 Communication concepts JF Communication concepts A1 Shoemaker, Pamela J. LA English PP Newbury Park u.a. PB Sage Publications ED 1. print. UL https://krimdok.uni-tuebingen.de/Record/113247257 NO Includes bibliographical references (p. 78-84) and index CN P90 SN 0803944365 SN 0803944373 K1 Communication : Philosophy K1 Mass Media : Philosophy K1 Communication K1 Gatekeeper : Massenkommunikation