Funded by the National Science Foundation PEET program (Partnerships for Enhancing Expertise in Taxonomy)
Sobreiro, J. 1993. Guia para a proteccao fitossanitaria da oliveira. [Guide for the phytosanitary protection of olives]. Instituto de Proteccao da Producao Agro-Alimentar, Guias e Catalogos No. 4. 55 pp.