共 5 条
[1]
DELONG DM, 1938, USDA618 TECH B
[2]
OSBORN H, 1893, USDA DIV ENT B, V30, P42
[3]
OSBORN H, 1993, 20 IOW AGR EXP STA B, P713
[4]
SLYKHUIS JT, 1953, PHYTOPATHOLOGY, V43, P537

