00298nam a2200109Ia 450000500170000000800410001708200170005810000150007524500470009026000410013730000100017820260205052434.0260111s9999||||xx |||||||||||||| ||und||  a420.3  C889C  aCrystal, D 0aCambridge encyclopedia of english language  aCambridgebCambridge unversityc1995  a489p.