TY - BK AU - Briggle,L.W. AU - Reitz,L.P. TI - Classificaton of Triticum species and of wheat varieties grown in the United States T2 - USDA Technical Bulletin PY - 1963/// CY - Washington, D.C. (USA) PB - United States Department of Agriculture KW - Triticum KW - AGROVOC KW - Wheat KW - Varieties KW - United States of America UR - http://libcatalog.cimmyt.org/download/general/60682.pdf ER -