Baumann, E. Robert <br/><br/>
removal of entamoeba histolytica cyst from water by porous -filter septums either with or without filter aid / by E. Ro-bert Baumann, Harold E. Babbit 

 - Urbana, Illinois : University of Illinois, Engineering Experiment Station 
 - 40 p. 
 - Engineering Experiment Station Bulletin ; No.431 .