共 13 条
- [2] CHAPMAN RK, 1950, P ANN M N CENTRAL BR, V5, P22
- [5] HOPPE PE, 1953, USDA YB AGR, P377
- [6] HOWE WL, 1951, FARM RES, V17, P10
- [7] LITCHFIELD JT, 1949, J PHARMACOL EXP THER, V96, P99
- [8] MARSHALL GE, 1951, P ANN M N CENTRAL BR, V6, P107
- [9] MCCLELLAN WD, 1955, PHYTOPATHOLOGY, V45, P465
- [10] NEISWANDER RB, 1955, OHIO NURSERY NOTES, V24