1. Measurement of the wavelength dependence of atmospheric extinction due to scatter;Ahlquist;Atmospheric Environment,1969
2. Background aerosol light scattering characteristics: nephelometer observations at Mauna Loa Observatory compared with results at other remote locations;Charlson;Tellus,1974
3. Visibility protection for Class I areas, the technical basis;Charlson;Council on Environmental Quality Document (NTIS PB-288842),1978
4. Field testing and evaluation of methods for measuring visibility;Cwalinski,1975
5. Angular truncation error in the integrating nephelometer;Ensor;Atmospheric Environment,1970