File:Houben Weyl.JPG

Summary
{{non-free use rationale
 * module       = The image will be used in the Wikibook Chemical Information Sources.
 * copyrights = The copyright is now owned by Georg Thieme Verlagand is being used under fair use
 * source =http://www.houben-weyl.com/en/products/reference-works/houben-weyl.html
 * rationale  = The book is a guide to finding and using chemical databases, software, and other chemical reference materials.  This image is included to give the reader a full sense of the capabilities inherent in the software or database being described.