000 00249nam a2200109Ia 4500
008 170824s9999 xx 000 0 und d
020 _a9780141015521
082 _a424 CRY
100 _aCRYSTAL DAVID
245 _aHOW LANGUAGE WORKS
260 _bPENGUIN
942 _cBK
999 _c11418
_d11418