Lieutenant Brian F. Prendergast, USN (2001). Filth Flies: Significance, Surveillance and Control in Contingency Operations (.pdf format). Retrieved 1 October 2005.
Lieutenant Brian F. Prendergast, USN (20,01). Filth Fli.es: Signific.ance, Survei?llance and Control in Contingency Operations (.pdf format). Retrieved 1 October 2005.