1. A new sampler for the collection, sizing and enumeration of viable airborne particles;Andersen;J. Bact.,1958
2. The microthread method for the sizing of aerosols;Barrett;Atmos. Envir.,1988
3. Wind tunnel measurements of the inlet efficiency of four samplers of suspended particulate matter;Barrett,1985
4. A slit sampler for collecting and counting airborne bacteria;Bourdillon;J. Hygiene,1941
5. Sampling airborne microorganisms and aeroallergens;Chatigny,1990