TY  - BOOK
AU  - MacKenzie, David R.
TI  - Results of the first International Durum Yield Nursery, 1969-1970
U1  - 633.1 M17R 
PY  - 1972///
CY  - Mexico
PB  - International Maize and Wheat Improvement Center
KW  - WHEAT BREEDING
ER  -