@misc{1169041, author = {Thomas Watson and Henry E Robinson}, title = {Performance tests of a Trion electric air filter:}, year = {1953}, month = {1953-01-01 05:01:00}, publisher = {, National Institute of Standards and Technology, Gaithersburg, MD}, doi = {https://doi.org/10.6028/NBS.RPT.2813}, language = {en}, }