00354nam a22001337a 4500008004100000082001800041100002000059245004000079250001300119260003300132300001000165650001600175650002900191210217b           ||||| |||| 00| 0 eng d00a510.76bG2261  aGardner, Martin10aMathematical puzzles and diversions  a1st  ed.  aLondon:bPenguin booksc1991  a154p. 0aMathematics 0aMathematical Recreations