000 00307nam a2200121Ia 4500
008 240407s9999 xx 000 0 und d
020 _a9780415513616
100 _aPiaget, Jean
245 4 _aThe Child's Conception of the World
260 _aLondon
_bForgotten Books
_c2011
300 _aix, 397p.
942 _cBK
999 _c736
_d736