TY  - BOOK
AU  - Charles F. Krull
AU  -  Norman E. Borlaug Carlos Meza  Ignacio Narvaez
TI  - Results of the first international spring wheat yield nursery, 1964-1965
U1  - 633.11 
PY  - 1968///
CY  - Mexico
PB  - Centro International De Mejoramiento De Maiz Y Trigo
ER  -