Leon, J., and N. Barrio. 1987. Influencia de las fases lunares en la atraccion de arboles trampas par a escolitidos del genero Ips en pinares de Baracoa [Influence of the phases of the moon in the attraction of trap trees for scolytids of the genus Ips in pine forests of Baracoa] [English summary] . Rivista Forestal Baracoa 17:45-56.