TY  - BOOK
AU  - David R. Mackenzie
AU  -  Sanjaya Rajaram  Keith W. Finlay
TI  - Results of the first and second international screening nurseries (1967-69)
U1  - 633.11 
PY  - 1970///
CY  - Mexico
PB  - Centro International De Mejoramiento De Maiz Y Trigo
ER  -