1. Extreme Vacua: Achievements and Expectations
2. Kouptsidis, J. S., in Proceedings of the 7th International Vacuum Congress, and 3rd International Conf. Solid Surfaces, Vol. 1, Berger and Söhne, Vienna, p. 341.
3. A new pumping approach for the large electron positron collider (LEP)
4. Benvenuti, C., Chiggiato, P., Cicoira, F. and L'Aminot J.CERN Internal Note EST-SM 97-01.
5. Benvenuti, C. and Hauer, M., in Proceedings of the 8th International Vacuum Congress, Vol. 2, Supplément á la revue “Le Vide, les couches minces”, No. 201, p. 199.