Suggestions for further reading on geomarketing, sales territory planning and geomarketing software:

In-house publications

GfK GeoMarketing (2009): “Geomarketing in practice – Achieving market optimization through spatial analysis” (2. edition)

JAHN, M. (2009): White paper on German shopping-centers from an investor’s perspective

PETERSEN, O. (2009): Retail growth opportunities in Germany's city centers

GfK GeoMarketing (2008): “Geomarketing in practice – Achieving market optimization through spatial analysis” (1. edition)

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GfK GeoMarketing Magazine (2007-2009): Our customer magazine provides you with the latest information on GfK GeoMarketing's products and services as well as the dynamic field of geomarketing. Published quarterly; download here

GfK GeoMarketing e-news (2007-2009):
Our monthly e-News keep you up-to-date with the latest news from GfK GeoMarkting. Download here

Articles in print or online publications

GUIDER, C. (2009): “Geomarketing illuminates strengths in German retail market”, Directions Magazine April 10, 2009
 ->  http://www.directionsmag.com/article.php?article_id=3112 

GUIDER, C. (2009): (Maps article)

LICHTNER, C. (2008): “Access “Geo” From Inside Microsoft Office 2007“. Interview on new geomarketing software release in GIS Café
-> http://www10.giscafe.com/nbc/articles/view_weekly.php?articleid=531429&page_no=1 

URNER, M. (2008): “Why GeoMarketing?“. In: Postal Technology International, issue 2/2008, pp. 37-39