@article{81851,
      note = {Translation of La representation de l'espace chez  l'enfant.},
      author = {Piaget, Jean, and Inhelder, Bärbel,},
      url = {http://library.usi.edu/record/81851},
      title = {The child's conception of space,},
      publisher = {Routledge & K. Paul},
      recid = {81851},
      pages = {xii, 490 p.},
      address = {London,},
      year = {1956},
}