[2] Skovsgaard J P, Vanclay J K. Forestry, 2008, 81(1): 13.
[5] Louwa J H. Scholes M. Forest Ecology and Management, 2002, 171(1-2): 153.
[6] Carmean W H. Sife index curves for Northern Hardwoods in Northern Wisconsin and Upper Michigan, Northern Central Forest Experimental Station, Forest Service, U.S. Dept. of Agriculture, 1978.
[7] Curt T, Bouchaud M, Agrech G. Forest Ecology and Management, 2001, 149(1): 61.
[8] Swenson J J, Waring R H, Fan W, et al. Candian Journal of Forest Research, 2005, 35(7): 1697.
[10] Waring R H, Milner K S, Jolly W M, et al. Forest Ecology and Management, 2006, 228(1-3): 285.
[11] Mutlu A C, Boyaci I H, Genis H E, et al. European Food Research and Technology, 2012, 233(2): 267.