000 00302nam a2200109Ia 4500
001 75614
008 170722s9999 xx 000 0 und d
100 _aWittgenstein, Ludwig
245 _aBlue and brown books
_bPreliminary studies for the Philosophical Investigations /
260 _c1958.
942 _cGEN
999 _c52035
_d52035