Preliminary results of a fertilization-irrigation experiment in a Quercus ilex L. forest in relation to leaves and twigs characteristics.

Sabaté S., Calvet S., and Gracia C.A. 1992. Preliminary results of a fertilization-irrigation experiment in a Quercus ilex L. forest in relation to leaves and twigs characteristics.  Vegetatio: 99-100: 283-287.