共 44 条
- [2] Cleve K. van, 1971, Arctic Alpine Res., V3, P101
- [3] COILE THEODORE S., 1940, DUKE UNIV SCH FORESTRY BULL, V5, P1
- [5] DAHLSKOG S, 1982, MEDDELANDEN VAEXTEKO, V3, P63
- [6] Day P., 1965, METHODS SOIL ANAL, P545
- [7] DICKSON BA, 1953, J SOIL SCI, V4, P142
- [8] DIXON WJ, 1981, BMDP STATISTICAL SOF
- [9] Edwards J.S., 1986, MOUNT ST HELENS 5 YE, P329