@article{43219,
      author = {Pullan, J. M. and Norfield, E. J., and White, W. L.,},
      url = {http://library.usi.edu/record/43219},
      title = {Towards informality},
      publisher = {Citation Press,},
      recid = {43219},
      pages = {46 p.},
      address = {New York,},
      year = {1971},
}