1. Effectiveness of Filtration in Removing from Water, and of Chlorine in Killing, the Causative Organism of Amoebic Dysentery.;Spector;Public Health Repts.,1934
2. The Efficiency of Rapid Sand Filters in Removing the Cysts of Amoebic Dysentery Organisms from Water.;Baylis;Public Health Repts.,1936
3. Efficiency of Standard Army Purification Equipment and Diatomite Filters in Removing Cysts of Endamoeba histolytica from Water War Dept. Rept. 834. Submitted to the Engineer Board, Ft. Belvoir, Va. and the Chief of Engineers, US Army, Washington, D.C., by Water Supply Equipment Branch, Technical Division III, The Engineer Board, Ft. Belvoir, Va. and the National Institute of Health, US Public Health Service. 1944
4. Diatomite Water Filtration Developed for Field Troops.;Black;Jour. AWWA,1944
5. Engeset , J. DeWalle , F.B. Removal of Giardia lamblia cysts by Flocculation and Filtration Proc. AWWA Annual Conf. San Francisco, Calif. 1979