00470nam a2200157Ia 450000100060000000800410000602000180004704000130006508200190007810000260009724500930012326000490021630000110026554600070027665000290028322198140409s9999    xx            000 0 und d  a0-19-513342-0  cPK-LaUMT  a 793.74bPIC-W  aPickover, Clifford A.  aWonders of numbers:badventures in mathematics, mind, and meaningcPickover, Clifford A.  aBuckingham,UK:bOpen University Press,c2001  a369 p.  aEN  aMathematical recreations