@article{187991,
      recid = {187991},
      author = {Sneider, Cary Ivan. and Barber, Jacqueline.},
      title = {Paper towel testing : teacher's guide /},
      publisher = {Great Explorations in Math and Science (GEMS) Lawrence  Hall of Science, University of California,},
      address = {Berkeley, CA :},
      pages = {32 p. :},
      year = {1990},
      note = {Grades 5-9.},
      url = {http://library.usi.edu/record/187991},
}