共 18 条
- [1] BACK HL, 1969, J BRIT GRASSLAND SOC, V26, P231
- [3] CASTLE ME, 1976, J BRIT GRASSLAND SOC, V31, P37
- [4] CASTLE ME, 1975, J BRIT GRASSLAND SOC, V30, P1
- [5] CASTLE ME, 1978, J BRIT GRASSLAND SOC, V33, P123
- [8] ERNST P, 1980, 1980 P INT S ROL NIT, P119
- [10] HODGSON J, 1971, J BRIT GRASSLAND SOC, V26, P231