Liquid crystals : physics, technology, and applications : 3-8 March 1997, Zakopane, Poland. pp.511-514, 1998. Bellingham, Wash., USA. SPIE-The International Society for Optical Engineering
Title of ser.:
Proceedings of SPIE - the International Society for Optical Engineering
Positron annihilation : ICPA-10 : Proceedings of the 10th International Conference on Positron Annihilation, May 23-29, 1994, Beijing, China. Part1 pp.233-236, 1995. Aederlmannsdorf, Switzerland. Trans Tech Publications