00286nam a2200133Ia 4500008004100000020001800041082000800059082001000067100001900077245001600096260001200112260001900124260000900143230118s9999||||xx |||||||||||||| ||und||  a0-14-013531-6  a410  bCRY/L  aDavidbCrystal 0aLinguistics  aengland  bPenguin Books   c1971