López Bernal, P. M., J. O. Bava, and S. H. Antequera. “Natural Regeneration in a Lenga (Nothofagus Pumilio (Poepp Et Endl.) Krasser) Forest under a Group Selection System”. Bosque, vol. 24, no. 2, Aug. 2003, pp. 13-21, doi:10.4067/s0717-92002003000200002.