1. A quantitative determination of sources in the Boston urban aerosol;Alpert;Atmospheric Environment,1980
2. The application of factor analysis to urban aerosol source identification;Henry,1977
3. Fundamental limitations of receptor models using factor analysis;Henry,1986
4. Review of receptor model fundamentals;Henry;Atmospheric Environment,1984
5. Identifying and estimating the relative importance of sources of airborne particulate;Kleinman;Envir. Sci. Technol.,1980