RODRÍGUEZ-CALCERRADA, J.; MUTKE, S.; ALONSO, J.; GIL, L.; PARDOS, J.; ARANDA, I. Influence of overstory density on understory light, soil moisture, and survival of two underplanted oak species in a Mediterranean montane Scots pine forest. Forest Systems, v. 17, n. 1, p. 31-38, 4 Jul. 2008.