000 00278nam a2200121Ia 4500
008 191031s9999 xx 000 0 und d
100 _aRivers (Wilga M)
245 0 _aTeaching foregn langanage skills
260 _bToppan
260 _c1970
365 _b44.16
942 _cBK
999 _c209099
_d209099