@article{52391,
      author = {Westley, John W.,},
      url = {http://library.usi.edu/record/52391},
      title = {Polyether antibiotics : naturally occurring acid  ionophores /},
      publisher = {M. Dekker,},
      recid = {52391},
      pages = {2 v. :},
      address = {New York :},
      year = {1982},
}