Patents, libraries, reference sources
United States Patent and Trademark Office
IPRI
- Homepage
The CrossFire Database Suite (consists of CrossFire Beilstein, CrossFire Gmelin and Patent Chemistry Database)
NISS
Information Gateway
The
NISS NetFirst Service
IDEAL
Home Page
The Copyright Information Guide
Online journals library
IDEAL
Home Page
CoDAS
Web: Full Access Information
ISI
Home Page
Portico
British libraries info
Tables
& References
Science
Hypermedia, Inc.
Knowledge
Finder® Web Services Home Page
Welcome
to Britannica Online
The
World-Wide Web Virtual Library: Chemistry
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Written by Victor Reshetnyak 20 March 1997.