@misc{1168121, author = {Henry E Copeland and W T Sweeney}, title = {Preliminary study, tropical storage of dental materials ::progress report}, year = {1955}, month = {1955-01-01 05:01:00}, publisher = {, National Institute of Standards and Technology, Gaithersburg, MD}, doi = {https://doi.org/10.6028/NBS.RPT.4495}, language = {en}, }