@misc{1166366, author = {Carl W Coblentz and Paul R Achenbach}, title = {Performance characteristics of some viscous-impingement and throw-away types of air filters:}, year = {1960}, month = {1960-01-01 05:01:00}, publisher = {, National Institute of Standards and Technology, Gaithersburg, MD}, doi = {https://doi.org/10.6028/NBS.RPT.6908}, language = {en}, }