TY  - BOOK
AU  - Johnson, T.
TI  - Hybridization between Puccinia graminis tritici and Puccinia graminis avenae
KW  - Hibridación vegetal
KW  - Puccinia graminis avenae
KW  - Puccinia graminis tritici
N1  - Sobretiro de: World's Grain Exhibition and Conf. Proc. 2a. 1933. 219-223 p
ER  -