共 8 条
- [1] Briggs FN, 1935, J AGRIC RES, V51, P0245
- [2] Fisher RA., 1925, STAT METHODS RES WOR
- [3] Harlan H. V., 1925, USDA B
- [4] HONECKER LUDWIG, 1934, ZEITSCHR ZUCHT REIHE A PFLANZENZUCHT, V19, P577
- [5] Mains EB, 1930, PHYTOPATHOLOGY, V20, P229
- [6] MAINS EB, 1932, USDA TECHNICAL B, V295
- [7] Tidd JS, 1937, PHYTOPATHOLOGY, V27, P51
- [8] WARWICK BL, 1932, TEXAS AGR EXP STA B, V463