@article{61621,
      note = {Cover title.},
      author = {Frye, John C. and Glass, H. D. and Willman, H. B.},
      url = {http://library.usi.edu/record/61621},
      title = {Mineral zonation of Woodfordian loesses of Illinois},
      publisher = {Illinois State Geological Survey,},
      recid = {61621},
      pages = {44 p.},
      address = {Urbana,},
      year = {1968},
}