@article{43481,
      author = {Campbell, Russell N. and Lindfors, Judith W.},
      url = {http://library.usi.edu/record/43481},
      title = {Insights into English structure: a programmed course},
      publisher = {Prentice-Hall},
      recid = {43481},
      pages = {180 p. :},
      address = {Englewood Cliffs, N.J.,},
      year = {1969},
}