共 15 条
- [1] BRANNANG E, 1970, Lantbrukshogskolans Annaler, V36, P91
- [2] BRANNANG E, 1966, ANR52 AGR COLL SWED
- [3] Federer W.T., 1955, EXPT DESIGN
- [4] HARTE F. J., 1965, Irish Journal of Agricultural Research, V4, P189
- [8] QUINN L, 1966, ANIM BREED, V36, P123
- [9] RALSTON AT, 1969, 110 OR AGR EXP STA T
- [10] RALSTON AT, 1974, 616 OR AGR EXP STA B