000 00409nam a2200157Ia 4500
008 211228s9999 xx 000 0 und d
020 _a0 7131 6506 5
040 _cJayakar Knowledge Resource Centre
100 _aCrystal, David
245 0 _aClinical linguistics
250 _a1st
260 _bEdward Arnod
_aGreat Britain
_c1981
300 _avii,230p p.
653 _aLanguage disorders
942 _c1
999 _c214581
_d214581