@article{1375769,
      recid = {1375769},
      author = {Persellin, Diane, and Daniels, Mary Blythe, and Winkelmes,  Mary-Ann,},
      title = {A concise guide to teaching with desirable difficulties /},
      pages = {1 online resource (118 pages).},
      url = {http://library.usi.edu/record/1375769},
}