TY - BOOK ED - International Maize and Wheat Improvement Center. ED - International Maize and Wheat Improvement Center. TI - Report on the grain quality of the entries in the seventh internatio nal spring wheat yield nursery 1970-71 PY - 1972/// CY - Mexico : PB - International Maize and Wheat Improvement Center KW - Wheat KW - Varieties KW - Field experiments KW - Statistics ER -