@article{251992,
      author = {Erwin, Douglas H., and Anstey, Robert L.},
      url = {http://library.usi.edu/record/251992},
      title = {New approaches to speciation in the fossil record /},
      publisher = {Columbia University Press,},
      recid = {251992},
      pages = {viii, 342 p. :},
      address = {New York :},
      year = {1995},
}