@misc{1170791, author = {T G Lee}, title = {Interlaboratory evaluation of smoke density chamber::preliminary report}, year = {1970}, month = {1970-01-01 05:01:00}, publisher = {, National Institute of Standards and Technology, Gaithersburg, MD}, doi = {https://doi.org/10.6028/NBS.RPT.10244}, language = {en}, }