@misc{1155166, author = {Sidney H Greenfeld}, title = {The performance of roofing made with asplund felts.:}, 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.TN.477}, language = {en}, }