Russell W. Bertch

Fractionator for size classification of aerosolized solid particulate matter

A. R. McFarland, A. Mcfarland, Gerald L. Fisher, 1977 .

A 10 μm Outpoint Size Selective Inlet for Hi-Vol Samplers

Andrew R. McFarland, Carlos A. Ortiz, Russell W. Bertch, 1984 .

Particle collection characteristics of a single-stage dichotomous sampler

A. Mcfarland, C. Ortiz, Russell W. Bertch, 1978 .

A high capacity preseparator for collecting large particles

A. Mcfarland, C. Ortiz, Russell W. Bertch, 1979 .