Plant cold hardiness and freezing stress : mechanisms and crop implications / Li, P. H. Sakai, A. National Science Foundation (U.S.) Nihon Gakujutsu Shink¿‍kai. University of Minnesota. Plants Plants Crops and climate 582 ACA 1978 A061 Or. Proceedings of an international plant cold hardiness seminar held in St. Paul, Minn., Nov. 2-4, 1977 and sponsored by United States National Science Foundation, Japan Society for the Promotion of Science, and College of Agriculture, University of Minnesota. Includes a summary of the papers presented at the First European International Symposium on 'Winter Hardiness in Woody Perennials', September 1977. New York : Academic Press, 1978- 1978- Text v. <1> :