1. Defining "natural" is a tricky proposition Collection: Agricultural Communications Documentation Center (ACDC) Contributers: Doering, Ronald (author) Format: Commentary Publication Date: 2009-10 Published: International Location: Agricultural Communications Documentation Center, Funk Library, University of Illinois Document Number: C29507 Journal Title: Food Law Notes: Archived October 22, 2009, at http://archives.foodsafety.ksu.edu/fsnet-archives.htm, Via Food Safety Network. 1 page.