@article{180830,
      author = {Hoehn, Robert G.,},
      url = {http://library.usi.edu/record/180830},
      title = {Science puzzlers! : 150 ready-to-use activities to make  learning fun : grades 4-8 /},
      publisher = {Center for Applied Research in Education,},
      recid = {180830},
      pages = {xii, 255 p. :},
      address = {West Nyack, N.Y. :},
      year = {1995},
}