@misc{1168026, author = {Sidney H Greenfeld}, title = {The degradation of two coating asphalts:}, year = {1956}, month = {1956-01-01 05:01:00}, publisher = {, National Institute of Standards and Technology, Gaithersburg, MD}, doi = {https://doi.org/10.6028/NBS.RPT.4621}, language = {en}, }