共 23 条
- [2] ALLISON TD, 1987, THESIS U MINNESOTA U
- [4] Beals E. W., 1960, Journal of Wildlife Management, V24, P68, DOI 10.2307/3797358
- [5] BEALS EW, 1967, W141R2 WISC CONS DEP
- [6] BRANDER RB, 1983, UNPUB ENV ASSESSMENT
- [7] Curtis J. T., 1959, VEGETATION WISCONSIN
- [8] DALLIMORE W, 1967, HDB CONIFERAE GINKGO
- [9] Den Ouden P., 1965, MANUAL CULTIVATED CO