@misc{1193106, author = {Leo J Waldron}, title = {Metallic roofing for low-cost house construction:}, year = {1940}, month = {1940-01-01 05:01:00}, publisher = {, National Institute of Standards and Technology, Gaithersburg, MD}, doi = {https://doi.org/10.6028/NBS.BMS.49}, language = {en}, }