Performance capacity, symposium conducted by Nutrition Branch, Food Division, Quartermaster Food and Container Institute for Armed Forces and Environmental Protection Research Division, Quartermaster Research and Engineering Center, Chicago, Apr. 12 and 13, 1957 [articles, with lists of references], edited by Harry Spector, Josef Brozek, and Martin S. Peterson, sponsored by Advisory Board on Quartermaster Research and Development Committee on Foods, National Academy of Sciences, National Research Council, Washington, D.C, Feb. 1961.