TY  - BOOK
AU  - Henry, Harry
TI  - READERSHIP RESEARCH
U1  - 070.1 
PY  - 1987///
CY  - Amsterdam
PB  - Elsevier Science Pub.
KW  - Readership Surveys
KW  - Newspapers -- Circulation
KW  - Periodicals -- Circulation
N1  - Proc. Of A Symposium
ER  -