@misc{1165736, author = {Gert Forum Petersen}, title = {Marginal defects in amalgam fillings as a result of thermal expansion and flow:}, year = {1962}, month = {1962-01-01 05:01:00}, publisher = {, National Institute of Standards and Technology, Gaithersburg, MD}, doi = {https://doi.org/10.6028/NBS.RPT.7564}, language = {en}, }