@article{474015,
      author = {Barrows, Howard S., and Tamblyn, Robyn M.},
      url = {http://library.usi.edu/record/474015},
      title = {Problem-based learning an approach to medical education /  [electronic resource] :},
      publisher = {Springer Pub. Co.,},
      recid = {474015},
      pages = {xvii, 206 p.},
      address = {New York :},
      year = {1980},
}