1. Antonov E., Filkov T. &Haralanov V: Prophylactics of Epidermophytia in the Armed Forces. Voenno med. djelo,2:61–67, 1961.
2. Bajdekoff B.: Scientific conference on Mycology in Blagoevgrad. Bull. Union sci. Workers Bulg.,6:24–26, 1960.
3. Balabanoff, V. A.: Antibiotic Effect of some Microorganisms on Epidermophyton interdigitale and Epidermophyton rubrum. Ann. Univ. Sofia, Fac. méd.,26:179–183, 1946.
4. Balabanoff V. A.: Epidermophyton rubrum Castellani-Bang, Clin. bulg.,8:437–441, 1947.
5. Balabanoff, V. A.: Saprophytic Moulds of the Skin and Dermatophytes. Antagonistic and symbiotic Interactions. Trav. sci. Acad. Med. Sofia,1/1:229–240, 1953.