TY  - CHAP
T1  - Exploring the structure of national issues: Newspaper content and reader perceptions
AU  - Greendale, Susan C.
AU  - Fredin, Eric S.
A2  - Hirsch, Paul M.
A2  - Miller, Peter V.
A2  - Kline, F. Gerald
PY  - 1977
T2  - Strategies for Communication Research
CY  - Beverly Hills
PB  - Sage
ER  -