@article{6160,
      note = {At head of title: State of Illinois...Department of  registration and education...Division of the State  geological survey...},
      author = {Piersol, Robert James, and Workman, L.E. and Watson,  Martin Calvin,},
      url = {http://library.usi.edu/record/6160},
      title = {Porosity, total liquid saturation, and permeability of  Illinois oil sands,},
      recid = {6160},
      pages = {72 p.},
      address = {Urbana, Ill.,},
      year = {1940},
}