1. Atmospheric particulate nitrate sampling errors due to reactions with particulate and gaseous strong acids;Appel;Atmospheric Environment,1981
2. Annular denuder and filter pack collection of HNO3 (g), HNO2(g), SO2(g), and particle phase nitrate, nitrite and sulfate in the Southwest Desert;Benner;Report to Salt River Project,1987
3. The size distribution of the urban aerosol in Vienna;Berner;Sci. Total Envir.,1979
4. Comparison of the degradation of ammonium ion on high volume glass fiber filters and on membrane filters;Colovos,1977
5. Southern California Air Quality Study SCAQS Sampler Chemistry;Countess,1989