000 00333nam a22001457a 4500
999 _c6017
_d6017
082 _a155.4
100 _aBODEN, Margaret. A
245 _aPiaget /
260 _aGlas gow:
_bFontana Paperblacks,
_c1979.
300 _a174p. ;
_b17cm.
500 _aInclude bibliography.
650 _aPsychology
650 _aPhyiosophy
942 _cBK