TY  - BOOK
ED  - International Maize and Wheat Improvement Center.
ED  - International Maize and Wheat Improvement Center.
TI  - Results of the fourth international spring wheat yield nursery, 1967 -1968
PY  - 1971///
CY  - Mexico : 
PB  - International Maize and Wheat Improvement Center 
KW  - Wheat
KW  - Varieties
KW  - Tables
KW  - Periodicals
KW  - Field experiments
KW  -  Periodicals
KW  -  Wheat
KW  -  Yields
KW  -  Tables
N1  -  Includes bibliographical references
ER  -