@article{139772,
      note = {"Teacher created versions of Exploratorium  exhibits"--Cover.},
      author = {Doherty, Paul, and Rathjen, Don.},
      url = {http://library.usi.edu/record/139772},
      title = {The Exploratorium science snackbook /},
      publisher = {The Exploratorium,},
      recid = {139772},
      pages = {1 v. (various pagings) :},
      address = {[San Francisco, CA] :},
      year = {1991},
}