Sousa, E., and M. Guedes. 1999. Some fungi associated with Platypus cylindrus F. (Coleoptera: Platypodidae) on Quercus suber L.: Toxicity bioassays. Pages 275-278 In Physiology and genetics of tree-phytophage interactions: International Symposium. Proceedings of International Symposium on Physiology and Genetics of Tree-Phytophage Interactions, Gulan, France, August 31 -September 4, 1997. Colloques de l'INRA 90.