1. Enhanced filtration program at LLL—a progress report;Bergman,1978
2. Aerosol penetration inside HEPA filtration media;Vendel,1990
3. Effects of the particle penetration inside the filter medium on the HEPA filter pressure drop;Letourneau,1992
4. Predicting mass loading as a function of pressure difference across prefilter/HEPA filter systems;Novick,1992
5. Modelling pressure drop in HEPA filters during dynamic filtration;Thomas;J. Aerosol Sci.,1999