Symposium: 1993: San Francisco, Session 2 - Major industry initiatives
Authors: Speetzen, Rolf, Wiegand, Jurgen
Organisations: Axel Springer Verlag AG, Media-Micro-Census GmbH
Topics: Page Exposure, Survey Descriptions
Symposium: 1993: San Francisco, Session 2 - Major industry initiatives
Authors: Speetzen, Rolf, Wiegand, Jurgen
Organisations: Axel Springer Verlag AG, Media-Micro-Census GmbH
Topics: Page Exposure, Survey Descriptions