Syyuz na Nauchnite Meditsinski Druzhestva v Bylgariya, Sofia; Republikansko Nauchno Druzhestvo po Biomeditsinska Fizika i Tekhnika, Sofia (Bulgaria); 96 p; Nov 1984; p. 19; 4. national conference on biomedical physics and engineering with international participation; Sofia (Bulgaria); 3-4 Nov 1984; Published in summary form only.