TY  - BOOK
AU  - Bittner,John R.
TI  - Professional broadcasting: a brief introduction 
SN  - 0137254652
AV  - PN1990.8 .B54
PY  - 1981///
CY  - Englewood cliffs, N.J.
PB  - Prentice Hall
KW  - Broadcasting
N1  - Includes bibliographical references and index
ER  -