@article{420414,
      author = {Richardson, Ken.},
      url = {http://library.usi.edu/record/420414},
      title = {Models of cognitive development [electronic resource] /},
      publisher = {Psychology Press,},
      recid = {420414},
      pages = {x, 245 p. :},
      address = {Hove, East Sussex, UK :},
      year = {1998},
}