@misc{1166361, author = {Carl W Coblentz and Paul R Achenbach}, title = {Performance tests of an automatic renewable media air filter Roll-Kleen, model 3-70:}, 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.6922}, language = {en}, }