1. Polyelectrolytes as Coagulants and Coagulation Aids;Johnson;Ind. Eng. Chem.,1956
2. The Flocculation of Coal-Clay Dispersions;Samuel;J. Inst. Fuel (Brit.),1951
3. Clarification of Ore-Waste Waters by Flocculation With Glue;Ohman;Jernkontorez, Ann. (Swed.),1954
4. Directie Van De Staatsmijnen in Limburg. Precipitating Impurities from Water by Starch;Chem. Abst.,1948
5. Use of Flocculating Reagents for Improving Clarification in Coal-Washing Waters;Schranz;Gas-u Wasserfach (Ger.),1956