@article{395396,
      url = {http://library.usi.edu/record/395396},
      title = {Science for all children a guide to improving elementary  science education in your school district / [electronic  resource] :},
      publisher = {National Academy Press,},
      recid = {395396},
      pages = {xiii, 225 p. :},
      address = {Washington, D.C. :},
      year = {1997},
}