@article{31523,
      author = {Witty, Paul, and Grotberg, Edith H.},
      url = {http://library.usi.edu/record/31523},
      title = {Developing your vocabulary,},
      publisher = {Science Research Associates,},
      recid = {31523},
      pages = {96 p.},
      address = {Chicago,},
      year = {1960},
}