@article{196678,
      note = {Distributed to depository libraries in microfiche.},
      author = {Jackson, John C. and Ericksen, George Edward.},
      url = {http://library.usi.edu/record/196678},
      title = {An X-ray diffraction method for semiquantitative  mineralogical analysis of Chilean nitrate ore [microform]  /},
      publisher = {U.S. Dept. of the Interior, U.S. Geological Survey ;},
      recid = {196678},
      pages = {1 v.},
      address = {[Reston, Va.] :},
      year = {1994},
}