00380nam a2200133Ia 450000500170000000800410001702000150005804000100007305000180008310000190010124500560012026000340017665000360021020251229190457.0251229s9999    xx            000 0 und d  a0521425565  cEULIB  aP 120  .V37B5  aBiber, Douglas 0aVariation across Speech and WrittingcDouglas Biber  aNewYorkb Cambridge unic1988  aLanguage And Language Variation