Karl Saqan: Redaktələr arasındakı fərq

{{Sister project links|b=no|k=no|v=no|n=no|wikt=no}}

* [http://www.carlsagan.com/ The Carl Sagan Portal]

* [http://www.bbc.co.uk/iplayer/episode/b00scvqk/Great_Lives_Series_21_Carl_Sagan/ BBC Radio program "Great Lives" on Carl Sagan's life]

* [http://books.google.co.uk/books?id=HoZdcomupUQC&pg=PA36 A Man whose time Has come—Interview with Carl Sagan by Ian Ridpath, New Scientist 1974 July 4]

* [http://www.skeptic.com/reading_room/our-place-in-the-universe A Tribute to Carl Sagan: Our Place in the Universe], [[The Skeptics Society]]

*http://en.wikipedia.org/wiki/Carl_Sagan

* [http://yanko.lib.ru/books/cosmos/sagan-cosmos-ru.htm Космос: эволюция Вселенной, жизни и цивилизации]

* [http://www.daviddarling.info/encyclopedia/S/Sagan.html Sagan, Carl Edward (1934—1996)]

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[[ar:كارل ساغان]]