00353nam a2200133Ia 4500003000400000008004100004020002600045040000800071100002100079245004600100260004800146300001400194365001100208LDD181029s9999    xx            000 0 und d  a9780521676298c36.99  cLDD  aLightfoot, David 0aHow New languages emergecDavid Lightfoot  aCambridgebCambridge University Pressc2006  aix, 199p.  b36.99