Phytopathology Vol. 26(1-12)
Humphrey, H. B. and others,
Phytopathology Vol. 26(1-12) Bound Volumes H. B. Humphrey - Lancaster American Phytopathological Society 1936. - 1160+22.
Phytopathology Plant injuries, diseases & pests Plant Pathology
632
Phytopathology Vol. 26(1-12) Bound Volumes H. B. Humphrey - Lancaster American Phytopathological Society 1936. - 1160+22.
Phytopathology Plant injuries, diseases & pests Plant Pathology
632