共 16 条
- [1] Akita S., 1973, Proceedings of the Crop Science Society of Japan, V42, P288
- [2] BILLINGS W D, 1976, Arctic and Alpine Research, V8, P247, DOI 10.2307/1550471
- [6] BILLINGS WD, 1978, ECOL STUD, V29, P415
- [7] DENNIS J G, 1970, Arctic and Alpine Research, V2, P253, DOI 10.2307/1550239
- [9] IMAI K, 1979, JPN J CROP SCI, V48, P409, DOI 10.1626/jcs.48.409