@article{1457493,
      author = {Billett, Stephen, and Harteis, Christian, and Gruber,  Hans,},
      url = {http://library.usi.edu/record/1457493},
      title = {International handbook of research in professional and  practice-based learning /},
      recid = {1457493},
      pages = {1 online resource (1378 pages).},
}