1. Ants: Standard Methods for Measuring and Monitoring Biodiversity;Agosti,2000
2. Latin American research on Spodoptera frugiperda (Lepidoptera: Noctuidae);Andrews;Fla. Entomol.,1988
3. Maíz y sorgo;Andrews,1989
4. IPM and resource-poor Central-American farmers;Andrews;Global Pestic. Monitor,1990
5. El cogollero. Boletín popular. Publicacíon MIPH-EAP-91;Andrews,1986