000 00309nam a2200109Ia 4500
008 220119s9999 xx 000 0 und d
040 _cJayakar Knowledge Resource Centre
100 _aLado, Robert
245 0 _aLanguage teaching: a scientific approach
260 _bMcGraw -Hill
_aNew York
_c1964
942 _c1
999 _c372910
_d372910