1. Agricola, G., 1950. De Re Metallica. Translated from Latin by H.C. Hoover. Dover Publications Inc., New York
2. Water Quality and Treatment;Amirtharajah,1990
3. Sedimentation and suspension flows: Historical perspective and some recent developments;Burger;Journal of Engineering Mathematics,2001
4. Chemistry of Water Treatment;Faust,1998
5. Encyclopedia of Chemical Technology;Kirk-Othmer,1991