共 12 条
- [1] Berry E. W., 1923, TREE ANCESTORS GLIMP
- [2] BOWMAN I, 1911, FOREST PHYS
- [3] BUTTS C, 1910, US GEOLOGICAL SURVAY
- [4] Hough A. F., 1932, J FOREST, V30, P933
- [5] JENNINGS OE, 1927, P PENN ACAD SCI, V1, P23
- [7] MARSHALL R, 1927, HARVARD FOREST, V11
- [8] MOREY HF, 1931, MO WEATHER REV, V59, P18
- [9] Robinson B.L, 1908, GRAYS NEW MANUAL BOT, V7