Positron annihilation, ICPA-12 : Proceedings of the 12th International Conference on Positron Annihilation, August 6-12, 2000, München, Germany. pp.475-477, 2001. Zuerich, Switzerland. Trans Tech Publications
Positron annihilation, ICPA-12 : Proceedings of the 12th International Conference on Positron Annihilation, August 6-12, 2000, München, Germany. pp.508-510, 2001. Zuerich, Switzerland. Trans Tech Publications