@article{1371930,
      author = {Noble, Thomas F. X.,},
      url = {http://library.usi.edu/record/1371930},
      title = {Charlemagne and Louis the Pious : the lives by Einhard,  Notker, Ermoldus, Thegan, and the Astronomer /},
      recid = {1371930},
      pages = {1 online resource (319 pages)},
}