@misc{1163756, author = {Vannie E Gray}, title = {The effect of atmospheric contaminants on the durability of building materials::report}, year = {1968}, month = {1968-01-01 05:01:00}, publisher = {, National Institute of Standards and Technology, Gaithersburg, MD}, doi = {https://doi.org/10.6028/NBS.RPT.9927}, language = {en}, }