000 00290pam a2200121a 44500
082 _a150.2
_bP57RE
100 _aPiaget, Jean
245 1 _aTHE CHILD'S CONCEPTION OF SPACE
260 _a
_bRoutledge & Kegan Paul
_c1967
700 _aInhelder, Barbel
964 _gCIRC
997 _aK7700 C
999 _c380811
_d380811