1. Graham , D.E. , Stockwell , A. , Thompson , D.G. , 1983 .Chemicals in the Oil Industry.P.H. Ogden(Editor). RSC Special Publication No 45 , London, England. p. 73 .
2. Kawanaka , S. , Park , S.J. , Mansoori , G.A. , 1989 . In Oil Field Chemistry , ACS Symposium Series No. 396, Am. Chem. Soc , Washington|cy, D.C.Chapter 24 .
3. McMahon , A.J. , 1992 .NATO ASI Ser., Ser.C, 363 , ( Emulsions Fundam. Pract. Approach ) p. 135 .