Duda, RomanEduard Čech and topology(English).In Nekvasilová, Jana (ed.), Circuli: 1933–2003. Prague: National Technical Museum, Department of the History of Technology; Prague: Society for the History of Science and Technology (ISBN 80-7037-125-0/pbk). Acta Historiae Rerum Naturalium necnon Technicarum (New Series) 7, 73-80 (2003)
