1. New filtration media and their use in water treatment;Ben Aim,1993
2. Utilisation des lits flottants dans la filiere de potabilisation des eaux de surface;Sahnoun,1993
3. Evaluating buoyant coarse media flocculation;Schulz;J. Am. Wat. Wks Assoc.,1994
4. Filtration of sewage treated water by the use of floating media;Sugaya,1993