Siriwardena, S. D., Cobourn, K. M., Amacher, G. S., Haight, R. G., (2018). Journal of Forest Economics 32, 72-83. Elsevier GmbH, München, Germany. English language
Meldrum, J. R., Champ, P., Bond, C., Schoettle, A., (2019). Journal of Forest Economics 35, 75-101. Now Publishers, Hanover, USA. English language
(2017). Austrian Journal of Forest Science 134(1a), 1-281. Österreichischer Agrarverlag, Wein, Austria. English language
Chmielewski, W., Löffler, J., Szwed, W., (2018). Nauka Przyroda Technologie 12(4), 309-324. Wydawnictwo Uniwersytety Przyrodniczego w Poznariu, Poznan, Poland. Polish language
Corbett, L., (2017). Working Paper - Resource Economics and Policy Analysis (REPA) Research Group, Department of Economics, University of Victoria(No.2017-03), 47 pp. Department of Economics, University of Victoria, Victoria, Canada. English language
Ilorkar, V. M., Suroshe, S. B., Jiotode, D. J., (2011). Indian Journal of Forestry 34(1), 105-109. M/S Bishen Singh Mahendra Pal Singh, Dehra Dun, India. English language
Machado, M. F., Gomes, L. J., Mello, A. A. de, (2010). Floresta 40(3), 507-514. Fundação de Pesquisas Florestais do Paraná (FUPEF), Curitiba, Brazil. Portuguese language
Holmes, T. P., (2010). New Zealand Journal of Forestry Science 40(Suppl), S105-S116. New Zealand Forest Research Institute, Rotorua, New Zealand. English language
Turner, J., Lambert, M., (2011). Australian Forestry 74(2), 149-155. Institute of Foresters of Australia, Yarralumla, Australia. English language
Fox, S., Jackson, B., Jackson, S., Kauffmann, G., Koester, M. C., Mera, R., Seyden, T., Sickle, C. van, Chipley, S., Fox, J., Hicks, J., Hutchins, M., Lichtenstein, K., Nolan, K., Pierce, T., Porter, B., (2011). General Technical Report - Southern Research Station, USDA Forest Service(No.SRS-142), 198 pp. Southern Research Station, USDA Forest Service, Asheville, USA. English language