00314nam a2200121Ia 450000500170000000800410001708200160005810000200007424500280009426000320012230000100015465000280016420240821155513.0240821s9999||||xx |||||||||||||| ||und||  a418.007 STU  aStubbs, Michael 0aEducational linguistics  aU.K.bBasil Blackwellc1986  a286p.  aLanguage and liguistics