@article{25246,
      author = {Narula, Ranjan., and Bakhru, Rachna.},
      url = {http://tind.wipo.int/record/25246},
      title = {Sound marks : the challenges of registering sounds as  trademarks around the world /},
      recid = {25246},
      pages = {1 volume ([3] pages) ;},
}