000 00303nas a22001217a 4500
008 190318s9999 xx 000 0 und d
022 _a0021 - 9924
245 _aJournal of communication Disorders
260 _aNew York
260 _bElsevier Scientific Publishing
260 _c1994
300 _a327 p.
999 _c80120
_d80120