On-line CRC Handbook of Chemistry and Physics
NIST Webbook (On-line chemistry reference database)
Science Citation Index (Web Of Science)
UK ESCA Group Web Pages: (Great source of information on all kinds of surface techniques)
Chemistry Library list of Electronic Journals (lists only Chemistry journals)
Physics Library list of Electronic Journals (lists only Physics journals)
AVS On-line Buyer's Guide (Everything vacuum)
Granville-Phillips (Ion Gauges)
Insulator Seal Corp (ISI) (Windows and Feedthroughs)
MDC Corp. (Vacuum Hardware)
Thermionics (Manipulators, etc.)
Varian Vacuum (Ion pumps, valves, ..)
Silicon optical data (Excel file)
Fresnel fields (Excel file)