@article{18417,
      recid = {18417},
      title = {Selected proceedings of the International Seminar  Inventiveness for Development Purposes, Plovdiv, Bulgaria,  November 12 to 15, 1985.},
      pages = {185, [1] leaf of plates :},
      note = {Organized by the Government of the People's Republic of  Bulgaria in cooperation with the World Intellectual  Property Organization (WIPO).},
      url = {http://tind.wipo.int/record/18417},
}