000 00247nam a2200121Ia 4500
008 180721s9999 xx 000 0 und d
100 _aNIL
245 0 _aLEARNINGNILTEACHING
260 _bNil
260 _c1979
365 _b0.00
942 _cBK
999 _c163689
_d163689