Endrika:Scientific American Frontiers

"Scientific American Frontiers; season 1". Scientific American Frontiers. Chedd-Angier Production Company. 1990–1991. Archived from the original on 2006. {{cite web}}: Check date values in: |archivedate= (help); Unknown parameter |dead-url= ignored (|url-status= suggested) (help); Unknown parameter |network= ignored (help)

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