000 007350000a22002050004500
001 039042
003 OSt
005 20081030103857.0
008 081030t xxu||||| |||| 00| 0 eng d
041 _aEng.
050 _aBF 721 .I473
100 _aINHELDER, Barbel.
245 _cBarbel Inhelder
_cJean Piaget.
_ban essay on the construction of formal operational structures
_aThe growth of logical thinking from childhood to adolescence
260 _aNew York
_c1958
_bBasic Books
300 _axxvi, 356 p.
500 _aChild psychology.
550 _aTangaza Mary Immaculate Library
942 _cBK
_2lcc
999 _c45473
_d45473