@article{325460,
      author = {Krebs, Robert E.,},
      url = {http://library.usi.edu/record/325460},
      title = {Encyclopedia of scientific principles, laws, and theories  /},
      publisher = {Greenwood Press,},
      recid = {325460},
      pages = {2 v. :},
      address = {Westport, Conn. :},
      year = {2008},
}