Forbes, A. S., Norton, D. A., Carswell, F. E., (2015). Ecological Management & Restoration 16(1), 41-49. Wiley-Blackwell, Melbourne, Australia. English language
Gevaña, D. T., Pollisco, J. P. T., Pampolina, N. M., Kim DongYeob, Im SangJun, (2013). Journal of Environmental Science and Management 16(1), 20-28. University of the Philippines, Los Baños, Philippines. English language
Wei YanChang, Ouyang ZhiYun, Miao Hong, Zheng Hua, (2009). Journal of Forest Research 14(4), 221-228. Springer-Japan, Tokyo, Japan. English language
Ledgard, N., Giller, M., (1998). New Zealand Forestry 42(4), 16-21. English language
Davis, M. R., Langer, E. R., Ross, C. W., (1997). New Zealand Journal of Forestry Science 27(1), 51-68. English language
Duncan, R. P., (1993). Journal of Ecology (Oxford) 81(3), 403-416. English language
Norton, D. A., (1991). New Zealand Journal of Botany 29(4), 463-466. English language
Pardy, G. F., Bergin, D. O., Kimberley, M. O., (1992). FRI Bulletin(No. 175), iv + 24 pp. Forest Research Institute, Ministry of Forestry, Rotorua, New Zealand. English language
Beveridge, A. E., Bergin, D. O., Pardy, G. F., (1985). New Zealand Journal of Forestry 30(1), 144-158. English language
Pardy, G., Bergin, D. O., (1989). What's New in Forest Research(No. 173), 4 pp. English language