@article{17410,
      note = {Cover title.},
      author = {Swann, David Henry,},
      url = {http://library.usi.edu/record/17410},
      title = {Visual estimates of grain size distribution in some  Chester sandstones},
      recid = {17410},
      pages = {43 p.},
      address = {Urbana,},
      year = {1959},
}