“Lidar, TEOM and sunphotometer measurements and model reconstructed atmospheric aerosol optical properties,” co-author, Proceedings of SPIE Defense Security and Sensing, Orlando, FL,  2010;

“Atmospheric trace gases concentrations measurements using open path FTIR,” co-author, Proceedings of CLEO-IQEC, Baltimore, MD, 2009;

“CMAQ validation of optical parameters and PM2.5 based on lidar and sky radiometers: A sensitivity study of optical parameters to hygroscopic aerosols,” co-author, Proceedings of SPIE Optics and Photonics, San Diego, CA, 2009;

"Urban aerosol backscatter properties based on Raman lidar and parametric coefficient models," co-author, Proceedings of the 89th AMS Meeting, Phoenix, AZ, 2009;

“Aerosol layer properties and their effect on the optical depth relation to PM2.5 concentrations,” co-author, IGARSS, 2008.