Zwalczanie hypodermatozy u bydła. Sesja Naukowa “Problem hypodermatozy w Polsce”, Wrocław, 20 V 1974
The control of hypodermatosis in cattle. Scientific Session: "The problem of hypodermatosis in Poland", Wroclaw, 20 V 1974
Bor'ba s gipodermatozom u skota. Nauchnaja konferencija: "Problema gipodermatoza v Pol'she", Vroclav, 20 maja 1974