共 8 条
- [1] ANDERSON EG, 1956, BROOKHAVEN SYM BIOL, P23
- [2] BURNHAM CHAS. R., 1939, JOUR AMER SOC AGRON, V31, P924
- [3] DUVICK DN, 1961, GENETICS, V46, P1245
- [5] LONGLEY AE, 1961, ARS3416 US DEP AGR R
- [6] SABOE LEWIS C., 1941, JOUR AMER SOC AGRON, V33, P463
- [7] SNEDECOR GW, 1959, STATISTICAL METHODS, P223
- [8] ULLSTRUP AJ, 1947, J AM SOC AGRON, V39, P606