Studies on powdery mildew of cereals
Marin, Alberto Graf
Studies on powdery mildew of cereals - Ithaca 1934 - 1-48 p. - Powdery, Mildew, Cereals Cornell Agricultural Experiment Station. Memoir No. 157 .
Studies on powdery mildew of cereals - Ithaca 1934 - 1-48 p. - Powdery, Mildew, Cereals Cornell Agricultural Experiment Station. Memoir No. 157 .