1. Evaluation of techniques for sulfuric acid and total paniculate acidity measurements in ambient air;Appel;Atmospheric Environment,1980
2. Simultaneous nitric acid, particulate nitrate and acidity measurement in ambient air;Appel;Atmospheric Environment,1980
3. Sampling of nitrates in ambient air;Appel;Atmospheric Environment,1981
4. Possible changes in aerosol composition due to departure from equilibrium conditions during sampling;Brosset;Swedish Water and Air Pollution Research Institute Report B454,1978
5. Emission inventories and projection;Crawford;Preliminary Report: Development of a paniculate implementation plan for the Los Angeles Region—Report No. 2,1974