Chester, Starr K
Nature and prevention of plant diseases - 2 - Philadelphia, Blackiston Co. 1950 - 525
Plant diseases-cultural control/plant diseases-resistance/plant diseases
632.3 CHE
100
Nature and prevention of plant diseases - 2 - Philadelphia, Blackiston Co. 1950 - 525
Plant diseases-cultural control/plant diseases-resistance/plant diseases
632.3 CHE
100