@misc{1183131, author = {Mohamed Abouelezz and P F Waters}, title = {Studies on the photodegradation of poly (methyl methacrylate):}, year = {1979}, month = {1979-01-01 05:01:00}, publisher = {, National Institute of Standards and Technology, Gaithersburg, MD}, doi = {https://doi.org/10.6028/NBS.IR.79-1766}, language = {en}, }