@article{68148,
      recid = {68148},
      author = {Stewart, Helen.},
      title = {Ordovician and Silurian coral faunas of western United  States /},
      publisher = {U.S. G.P.O.,},
      address = {Washington :},
      pages = {iii, 209-236 p., 14 plates :},
      year = {1956},
      note = {"A guide for the differentiation of early Plaeozoic  faunules."},
      url = {http://library.usi.edu/record/68148},
}