@article{1400818,
      author = {Davis, Martin, and Weyuker, Elaine J.,},
      url = {http://library.usi.edu/record/1400818},
      title = {Computability, complexity, and languages : fundamentals of  theoretical computer science /},
      recid = {1400818},
      pages = {1 online resource (448 pages) :},
}