1. Scheludko, A. andE. Manev, Trans. Faraday Soc.64, 1123 (1968).
2. Ivanov, I., B. Radoev, E. Manev, andA. Scheludko, Trans. Faraday Soc.66, 1262 (1970).
3. Scheludko, A., Proc. Kon. Ned. Akad. Wetensch.B65, 76 (1962).
4. Exerowa, D. andA. Scheludko, Izv. Inst. Fizikokhim. Bulg. Akad. Nauk3, 79 (1963).
5. Exerowa, D. andA. Scheludko, Proc. 4th Intern. Congr. Surface Activity, Brussels, 1964, Vol. 11, p. 1097 (London 1964).