000 00347nam a2200133 i 4500
008 061006s1973 sp g spa
020 _a8420620505
080 1 _a109
100 _aWITTGENSTEIN
245 0 _aTRACTATUS LOGICO PHILOSOPHICUS
260 _aMADRID
_b:ALIANZA
_c,1973
997 _e2