1. S. V. Krishnan and Y. A. Attia ,Reagents in Mineral Technology.P. Somasundaran and B. M. Moudgil. Marcel Dekker 1988 , p. 485
2. C. R. O' ,Flocculation,Sedimentation & consolidationNew York Engineering Foundation B. M. Moudgil and P. Somasundaran, 1986 , pp. 159 – 169
3. M. Yusa ,Flocculation in Biotechnology and Separation SystemsY. A. Attia, Elsevier 1987 , pp. 755 – 764
4. On Interaction between Two Bodies Immersed in a Solution of Macromolecules
5. D. A. Napper , Academic Press 1983