Microscopy Vendors Database
ASTM International
Chemicals (More than 100 000)
R&D Chemicals
Metallography
Mineralogy Database (More than 4300 records)
Periodic Table of the Elements
Microscopy Society of America (MSA)
Microbeam Analysis Society
Royal Microscopical Society
European Microbeam Analysis Society
Microscopy On-Line
MicroWorld Resources and News