@conference{76986, author = {Joannie Chin and Walter Byrd and E Embree and Jonathan Martin}, title = {Use of Integrating Spheres as Ultraviolet Radiation Sources for Artificial Weathering of Polymers.}, year = {2002}, month = {2002-12-01}, publisher = {Radtech 2002 Focus Group End User Technical Conference. Proceedings. , April 28 - May 1, http://fire.nist.gov/bfrlpubs/fire04/PDF/f04067.pdf}, language = {en}, }