共 12 条
- [1] BAKER AL, 1950, USDA844 CIRC
- [2] BLACK WH, 1934, USDA TECH B, V417
- [3] BRAY CI, 1933, LA AGR EXP STA B, V244
- [5] GERLAUGH P, 1951, OHIO AGR EXP STA B, V703
- [6] Kempthorne O., 1952, DESIGN ANAL EXPT
- [7] KIDDER RW, 1952, P ASS SO AGR WORKERS, V49, P56
- [8] KNAPP B, 1949, USDA810 CIRC
- [10] LUSH JL, 1930, TEXAS AGR EXP STA B, V409