@article{1368154,
      author = {De Pauw, Th. and Hardt, R. and Pfeffer, Washek F.,},
      url = {http://library.usi.edu/record/1368154},
      title = {Homology of normal chains and cohomology of charges /},
      recid = {1368154},
      pages = {1 online resource (128 pages) :},
}