@article{26463,
      author = {Ladas, Stephen P. and Ladas, Stephen Pericles.},
      url = {http://tind.wipo.int/record/26463},
      title = {Patents, trademarks, and related rights : national and  international protection /},
      recid = {26463},
      pages = {3 volumes (xv, 2115 pages) ;},
}