000 00291nam a2200121Ia 4500
008 250224s9999 xx 000 0 und d
020 _a29766341
082 _a100AYE
100 _aAyer J
245 4 _aThe central questions of philosophy
260 _bMonotype plantin
_c1973
942 _cBK
999 _c430629
_d430629