TY  - BOOK
AU  - Webster, James G.
AU  - Phalen, Patricia F. \ Lichty, Lawrence W.
TI  - Ratings analysis: the theory and practice of audience research 
SN  - 0805830995
AV  - PN 1992.8 W377r 2000 
PY  - 2000///
CY  - Mahwah
PB  - Lawrence Erlbaum
ER  -