Lit, I. L., Jr, Lit, M. T. C., & Eusebio, O. L. (2014). Modified vacuum sampler for arthropods for monitoring non-target organisms in bt-corn fields and other biodiversity studies. Philippine Entomologist.

Lit, Ireneo L., Jr, Merdelyn T. Caasi Lit, and Orlando L. Eusebio. "Modified Vacuum Sampler for Arthropods for Monitoring Non-target Organisms in Bt-corn Fields and Other Biodiversity Studies." Philippine Entomologist 2014.

Lit, Ireneo L., Jr, et al. "Modified Vacuum Sampler for Arthropods for Monitoring Non-target Organisms in Bt-corn Fields and Other Biodiversity Studies." Philippine Entomologist, 2014.