00386nam a2200145Ia 450000100060000000800410000602000180004704000130006508200190007810000180009724500530011526000540016830000110022254600070023316814140404s9999    xx            000 0 und d  a0-521-66350-4  cPK-LaUMT  a 005.73bOKA-P  aChris Okasaki  aPurely functional data structurescChris Okasaki  aCambridge,USA:bCambridge University Press,c1999  a220 p.  aEN