Coblentz, C.
and Achenbach, P.
(1960),
Performance tests of a "Roll-O-Matic" automatic renewable media air filter ::manufactured by American Air Filter Company Louisville, Kentucky, , National Institute of Standards and Technology, Gaithersburg, MD, [online], https://doi.org/10.6028/NBS.RPT.6947
(Accessed October 4, 2024)