Options for the legislator in the field of patents, trademarks and copyright : lecture delivered by Arpad Bogsch to the Bar Association of Sri Lanka at Colombo on February 22, 1977 / Arpad Bogsch.
Options for the legislator in the field of patents, trademarks and copyright : lecture delivered by Arpad Bogsch to the Bar Association of Sri Lanka at Colombo on February 22, 1977 / Arpad Bogsch.