por Schaefer, Gerhard, 1940-1989 [editor] | Kristiansen, Magne [editor] | Guenther, Arthur Henry, 1931- [editor].
por Martin, John Christopher, 1926- [autor] | Martin, Thomas H [editor] | Guenther, Arthur Henry, 1931- [editor] | Kristiansen, Magne [editor].
por Guenther, Arthur Henry, 1931- [editor] | Kristiansen, Magne, 1932- [editor] | Martin, Thomas H [editor].