Ochoa J, O'Farrell MJ, Miller BW. Contribution of acoustic methods to the study of insectivorous bat diversity in protected areas from northern Venezuela . Acta ChiropterologicaActa Chiropterologica. 2000;2:171-183.

O'Farrell MJ, Miller BW. A New Examination of Echolocation Calls of Some Neotropical Bats (Emballonuridae and Mormoopidae). Journal of MammalogyJournal of Mammalogy. 1997;87:954-963.

O'Farrell MJ, Miller BW. Use of vocal signatures for the inventory of free-flying Neotropical bats. BiotropicaBiotropica. 1999;31:507-516.

O'Farrell MJ, Miller BW, Gannon WL. Qualitative Identification of Free-flying Bats Using the Anabat Detector. Journal of MammalogyJournal of Mammalogy. 1999;80:11-23.

Miller BW. A method for determining relative activity of free flying bats using a new activity index for acoustic monitoring. Acta ChiropterologicaActa Chiropterologica. 2001;3:93-105.