@article{381164,
      author = {Fenichel, Marilyn. and Schweingruber, Heidi A.},
      url = {http://library.usi.edu/record/381164},
      title = {Surrounded by science learning science in informal  environments / [electronic resource] :},
      publisher = {National Academies Press,},
      recid = {381164},
      pages = {xv, 220 p. :},
      address = {Washington, DC :},
      year = {2010},
}