共 12 条
- [1] BARR AJ, 1976, USERS GUIDE SAS
- [2] DAVIS D D, 1974, Hortscience, V9, P537
- [3] DAVIS DD, 1976, EPA600376102 US ENV
- [4] Karnosky D., 1978, Journal of Arboriculture, V4, P107
- [5] Karnosky D. F., 1981, Journal of Arboriculture, V7, P99
- [6] KARNOSKY DF, 1978, 26TH P NE TREE IMPR, P161
- [7] KARNOSKY DF, 1974, 9TH P CENTR STAT FOR, P7
- [8] LANG KJ, 1971, FLORA, V160, P1
- [9] STEEL R. G. D., 1960, PRINCIPLES PROCEDURE