00615nam a22001931 4500 1/13637 981005s1965 enk 000 eng d 0140207139. 14096 DLC GR-PeUP 793.74 GA Gardner, Martin, 1914- Mathematical puzzles and diversions/ Martin Gardner. Middlesex: Penguin, 1965. 154p.: fig.; 18cm. Mathematics and Statistics ; Mathematical recreations. Mathematics and Statistics. INST UNIPILB MAIN 20040709 793.74 GA 00112449 00112449 LOAN 0 1