@misc{1171236, author = {Joseph E Clark and Richard C Neuman and James A Slater}, title = {Outdoor performance of plastics::II. Tensile and flexural properties}, year = {1969}, month = {1969-01-01 05:01:00}, publisher = {, National Institute of Standards and Technology, Gaithersburg, MD}, doi = {https://doi.org/10.6028/NBS.RPT.10014}, language = {en}, }