@article{21375,
      note = {Price : 10.00; Supplier : The Intellectual Property  Institute, London; Recd 18/04/97; Contents : 1.  Introduction and summary; 2. Methodology; 3. The  patent-based industries;.},
      author = {Silberston, Aubrey,},
      url = {http://tind.wipo.int/record/21375},
      title = {The economic importance of patents /},
      recid = {21375},
      pages = {38 pages ;},
}