@article{79707,
      recid = {79707},
      author = {Hempel, Carl G.},
      title = {The Isenberg memorial lecture series, 1965-1966},
      publisher = {Michigan State University Press,},
      address = {East Lansing]},
      pages = {232 p.},
      year = {1969},
      url = {http://library.usi.edu/record/79707},
}