@article{661,
      author = {Wooton, William.},
      url = {http://library.usi.edu/record/661},
      title = {Elementary functions},
      publisher = {Wadsworth Pub. Co.},
      recid = {661},
      pages = {311 p.},
      address = {Belmont, Calif.,},
      year = {1971},
}