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Dennis Elliott Shasha (born August 15, 1955), American author, computer scientist | World Biographical Encyclopedia
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The Puzzling Adventures of Dr. Ecco (Dover Recreational Math): Shasha, Dennis: 9780486296159: Amazon.com: Books
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The Puzzling Adventures of Dr. Ecco (Dover Recreational Math): Shasha, Dennis: 9780486296159: Amazon.com: Books
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