The Powdery mildews
The Powdery mildews
edited by D. M. Spencer
- London New York Academic Press 1978
- xix, 565 p. ill. 24 cm
Powdery mildew diseases
Erysiphaceae
632 / .4 / 3
Powdery mildew diseases
Erysiphaceae
632 / .4 / 3