Dirt Poor: Have Fruits and Vegetables Become Less Nuritious? EarthTalk (registered trademark of E - The Environmental Magazine), written and edited by Roddy Scheer & Doug Moss, published in Scientific American -- 27 Apr 2011
Earth Matters: Tackling the Climate Crisis from the Ground Up (See esp. Box 2 & Box 3) GRAIN -- Oct 2009
Food Futures Now: Organic-Sustainable-Fossil Fuel Free Mae-Wan Ho, Sam Burcher, Lim Li Ching et al, Institute of Science in Society and Third World Network, Chapter 20, Pg 91-97 -- 2008
With the Grain: A Closer Look at the Nutrient Quality of Grain, Grain-Based Products, and the Role of Organic Agriculture Erin Smith, Charles Benbrook, Donald R. Davis, The Organic Center -- Jul 2012