Calama, R., Gordo, J., Madrigal, G., Mutke, S., Conde, M., Montero, G. y Pardos, M. 2016. Enhanced tools for predicting annual stone pine (Pinus pinea L.) cone production at tree and forest scale in Inner Spain. Forest Systems. 25, 3 (dic. 2016), e079. DOI:https://doi.org/10.5424/fs/2016253-09671.