11Th International Symposium on Non-Oxide and New Optical Glasses, Date: SEP 06-10, 1998, Location: SHEFFIELD, ENGLAND, Patrocinadores: Corning SA, France, Galileo Corp USA, Hoya Co Ltd, R&D, Japan, Merck Ltd, UK, European Comm Directorate Gen XII, Sci, Res & Dev, Directorate C, Ind & Mat Technol, Brussels Belgium, USARDSG U S Army European Res Off London UK, ONREUR U S Navy European Off Naval Res, London UK, Soc Glass Technol UK, Sheffield City Council UK, Univ Shiffield UK