Erreferentziak:

M. Onaindia, I. Ametzaga-Arregi, M. San Sebastián, A. Mitxelena, G. Rodríguez-Loinaz, L. Peña, Josu G. Alday. 2013. Can understorey native woodland plant species regenerate under exotic pine plantations using natural succession? Forest Ecology and Management, 308: 136-144.

http://dx.doi.org/1