Шаблон:Scientific American Frontiers
Изглед
„Scientific American Frontiers, on season 1”. Scientific American Frontiers. Chedd-Angier Production Company. 1990—1991. PBS. Архивирано из оригинала 2006. г.
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„Scientific American Frontiers, on season 1”. Scientific American Frontiers. Chedd-Angier Production Company. 1990—1991. PBS. Архивирано из оригинала 2006. г.