000 00465nam a2200145Ia 4500
008 210513s9999 xx 000 0 und d
020 _a0137100477
100 _aKrashen, Stephen D.
245 0 _aPrinciples and Practice in Second Language Acquisi
260 _aNew York [et al.]
_bPhoenix Elt
_c1995
300 _a202 s.
_bwyk.
_c21 cm
490 _aLanguage Teaching Methodology Series
830 _aLanguage Teaching Methodology Series
920 _a0-13-710047-7
999 _c32648
_d32648