by Černý, Čestmír, 1927-2009
Year of Publication 1989

by Černý, Čestmír, 1927-2009, Erdös, Emerich, 1922-
Year of Publication 1970

by Bureš, Michal, Chuchvalec, Pavel, 1946-, Černý, Čestmír, 1927-2009
Year of Publication 1994

by Moore, Walter John, 1918-2001
Year of Publication 1981

by Moore, Walter John, 1918-2001
Year of Publication 1979

by Denbigh, Kenneth George, 1911-2004
Year of Publication 1965