SPIE--The International Society for Optical Engineering. The Optics, Photon...
SPIE is dedicated to promoting the engineering and scientific applications of optical, photonic, imaging and optoelectronic technologies through its education and communications programs, meetings and...
http://www.spie.org
Pablo - The Directory of Art for Sale Online...
The directory of art for sale on the Internet. Collectors: find the works you want or trade sell ones you have by placing a free classified....
http://www.pablo.com
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