@misc{1171196, author = {M D Burdick}, title = {Development of methods of test for quality control of porcelain enamels::progress report January 1 through March 31, 1969}, 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.10031}, language = {en}, }