1. Sectoral Patterns of Industrial Innovation in Italy: An Analysis of Italian Patenting in the US;Archibuggi,1986
2. Aspden, M., Patent Statistics as a Measure of Technological Vitality, Workshop on Patent and Innovation Statistics, OECD 28–30 June (1982), Paris.
3. Technological Change in the Norwegian Whaling Industry: A case Study of the Use of Patent Statistics as a Technology Indicator;Basberg;Research Policy,1982
4. Foreign Patenting in the USA as a Technology Indicator, The Case of Norway;Basberg;Research Policy,1983
5. Patents and the Measurement of Technological Change: A Survey of the Literature;Basberg;Research Policy,1987