00357nam a22001337a 4500008004100000082001800041100001600059245004000075250001200115260004100127300001000168650001600178650002900194210217b           ||||| |||| 00| 0 eng d00a510.76bG2261  aGardner, M.10aMathematical puzzles and diversions  a4th ed.  aNew York: bSimon and Schusterc1961  a253p. 0aMathematics 0aMathematical Recreations