Rodríguez-Rajo, J., J. Méndez, and M. V. Jato. “Temperature Influence on the Flowering of Quercus in the South of Galicia (Ourense and Vigo, 1994-98)”. Acta Botanica Malacitana, vol. 25, Dec. 2000, pp. 153-6, doi:10.24310/abm.v25i0.8480.