1. Influence of hue, value, and chroma on the perceived heaviness of colors;Alexander;Perception & Psychophysics,1976
2. Touch looms large as a sense that drives sales;Anon.;BrandPackaging,1999
3. Retailers Promise Action on Waste;Anon.,2006
4. The Dutch Touch;Anon.,2010
5. Maximum appeal;Anon.;Active and Intelligent Packaging World,2010