1. Systematic heterogeneity: how to combine smartphone related apps with FIspace Collection: Agricultural Communications Documentation Center (ACDC) Contributers: Sundmaeker, Harald (author) and Einramhof, Peter (author) Format: Journal article Publication Date: 2015 Published: International Location: Agricultural Communications Documentation Center, Funk Library, University of Illinois Box: 153 Document Number: D06922 Journal Title: International Journal on Food System Dynamics Journal Title Details: 6(2) : 117-128