共 13 条
- [1] CLARK DH, 1954, BICV SRIEM
- [2] COOPER CF, 1960, ECOLOGICAL MONOG, V38, P129
- [3] KEEN FP, 1952, USDA273 MISC PUBL
- [4] MEYER D, 1959, BIAR
- [5] NEIBEL PM, 1953, YTI
- [6] RELANDER C, 1955, YTC 1855-1955
- [7] SAXTON JB, 1914, BIAR
- [8] VAN SICKLE F. S., 1959, JOUR FOREST, V57, P852
- [9] Weaver H., 1958, Proceedings of the Society of American Foresters, 1958, P212
- [10] Weaver H., 1943, Journal of Forestry, V41, P7