@article{11539,
      note = {See English version in INDUSTRIAL PROPERTY 1985, Vol 24,  No 9, p 275-277.},
      author = {Sirakov, P., and Iliev, K.},
      url = {http://tind.wipo.int/record/11539},
      title = {L'activité inventive des jeunes en Bulgarie en matière  scientifique et technique /},
      recid = {11539},
      pages = {1 volume ([2] pages) ;},
}