TY  - BOOK
AU  - Harder,Theodor
AU  - Friedlander,Peter H.
AU  - Friedlander,Eva H.
TI  - Introduction to mathematical models in market and opinion research: with practical applications, computing procedures, and estimates of computing requirements 
AV  - HF5415.2 .H313 1970
PY  - 1970///
CY  - Dordrecht
PB  - Reidel
KW  - Marketing
KW  - Mathematical models
KW  - Public opinion polls
N1  - Translation of Elementare mathematische Modelle in der Markt- und Meinungsforschung; BIB
ER  -