@article{703442,
      recid = {703442},
      author = {Du Plessis, Jeremy.},
      title = {The definitive guide to point and figure: a comprehensive  guide to the theory and practical use of the point and  figure charting method /},
      publisher = {Harriman House,},
      address = {Petersfield, Hampshire :},
      pages = {xxxix, 500 p. :},
      year = {2012},
      url = {http://library.usi.edu/record/703442},
}