@article{13627,
      recid = {13627},
      author = {Vishwasrao, Sharmila, and Gupta, Sraban. and Benchekroun,  Hassa.},
      title = {Optimum tariffs and patent length in a model of  North-South technology transfer /},
      pages = {25 pages ;},
      note = {ISSN: 0821-4441},
      url = {http://tind.wipo.int/record/13627},
}