Patinnova '99 : patents as an innovation tool : proceedings of the fifth European Congress on Patents, 18 to 22 October 1999, Halkidiki, Greece / European Commission, Directorate-general For Enterprise.
Patinnova '99 : patents as an innovation tool : proceedings of the fifth European Congress on Patents, 18 to 22 October 1999, Halkidiki, Greece / European Commission, Directorate-general For Enterprise.