1. Ache, H. J.: Angew. Chem. Intern. Edit. 11, 179 (1972)
2. Addison, C. C., Furmidge, C. G. L.: J. Chem. Soc. 1956, 3229
3. Allerhand, A.: J. Am. Chem. Soc. 93, 544 (1979)
4. Al-Rikabi, H., Osoba, J. S.: Paper presented at ACS Meeting. June 9, 1973. Dallas, Texas
5. Anacker, E. W.: In: Cationic surfactants. p. 203. Jungermann, E. (ed.). New York: Marcel Dekker 1970