000 003410000a22001450004500
008 140223b1953 xxu||||| |||| 00| 0 eng d
041 _aEng
080 _aR1z7 J3
082 _aR1z7 J3
100 _aPiaget Jean
245 _aLogic and psychology.
260 _aManchester
_bManch Univ.
_c1953
650 _aLogic
650 _aPhilosophy
999 _c68640
_d68640