Funded by the National Science Foundation PEET program (Partnerships for Enhancing Expertise in Taxonomy)
Pajares Alonso, J. A., and M. J. Arevalo. 1987. Protection de los olmos contra los insectos vectores de la grafiosis [Protection of elms against vectors of Dutch elm disease] [English summary] . Boletin de Sanidad Vegetal, Plagas 13:311-325.