Author: "Gunda Opfer

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Research papers

Media measurement by direct recording methods

Catalogue: Seminar 1982: Improving Media Research
Date: June 15, 1982
Authors: Dieter Müller-Veeh, Gunda Opfer

Research papers

Study of the reading habits of physicians (German)

Catalogue: ESOMAR Congress 1979: The Challenge Of Eighties
Date: June 15, 1979
Authors: Dieter Müller-Veeh, Gunda Opfer

Research papers

Study of the reading habits of physicians

Catalogue: ESOMAR Congress 1979: The Challenge Of Eighties
Date: June 15, 1979
Authors: Dieter Müller-Veeh, Gunda Opfer

Research papers

Sense and non-sense in cluster analysis

Catalogue: Paper 1978: Analysis of Data
Date: February 1, 1978
Author: Gunda Opfer

Research papers

Empirical results along the way to a price elasticity test (German)

Catalogue: Seminar 1976: Research Into Distribution Problems And Consumer Purchasing Behaviour For The Publishing Industry
Date: December 1, 1976
Authors: Gunda Opfer, Dieter Müller-Veeh

Research papers

Empirical results along the way to a price elasticity test

Catalogue: Seminar 1976: Research Into Distribution Problems And Consumer Purchasing Behaviour For The Publishing Industry
Date: December 1, 1976
Authors: Gunda Opfer, Dieter Müller-Veeh

Research papers

A new method of copy-test evaluation

Catalogue: Seminar 1974: Editorial Research In The Publishing Industry
Date: June 15, 1974
Authors: Dieter Müller-Veeh, Gunda Opfer