Costas, R., S. Korth, S. Figueredo, E. Weber, P. Mac Donagh, A. Friedl, J. Heck, and M. Alves do Porto. “System of Equations for Yield and Growth of Pinus Taeda Including Prune Variables”. Forest Systems, Vol. 16, no. 2, Aug. 2007, pp. 136-44, doi:10.5424/srf/2007162-01004.