Abstract:The papers in these proceedings are reproduced essentially as supplied by the authors and do not necessarily reflect the views of the U.S. Department of Agriculture. This symposium was held before the dissolution of the Union of Soviet Socialist Republics; thus, current names of some institutions and political entities in the former U.S.S.R. may differ from those cited in papers in these proceedings. Commercial companies and products are mentioned in this publication solely to provide specific information. Men… Show more
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