@article { presilwag2014, author = "Preißler, Jana and Silva, Ana Maria and Wagner, Frank and Nepomuceno Pereira, Sérgio and Guerrero-Rascado, Juan Luis", title = "Forest Fire Smoke Layers Observed in the Free Troposphere over Portugal with a Multiwavelength Raman Lidar: Optical and Microphysical Properties", year = "2014" }