@article{11012,
      author = {Claus, Paul, and Higham, P. A.},
      url = {http://tind.wipo.int/record/11012},
      title = {Study of citations given in search reports of  international patent applications published under the  Patent Cooperation Treaty.},
      recid = {11012},
      pages = {1 volume ([4] pages) ;},
}