000 00329nam a2200133Ia 4500
008 151213s9999 xx 000 0 und d
245 _aPrinciples of Language Learning & Teaching
250 _a1st
260 _aU S A
_bPrentic Hall
_c1993
300 _a4217 p.
650 _aEnglish
650 _aEnglish Language
999 _c2641
_d2641