00294nam a2200109 a 450000500170000002000150001708200200003210000170005224500250006926000670009430000230016120251203110112.0  a088385502X  a512.72,D,robb_  aRoberts, Joe  aLure of the integers  aWashington D.C.bThe mathematical Association of Americac1992  axvii,310p.c23 cm.