ATU Sligo /ATU St Angela's

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Aha! Aha! insight /

By: Gardner, Martin, 1914-.
Publisher: New York : Scientific American, c1978Description: viii, 179 p. : ill. ; 24 cm.Content type: text Media type: unmediated Carrier type: volumeISBN: 0894540017; 9780894540011.Subject(s): Mathematical recreations | Puzzles | Problem solvingDDC classification: 153.43
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