Foredrag Atmospheric trace gas variations at Stara Zagora in the winter of 2004/2005. Werner, R.; Kostadinov, I.; Stebel, K.; Valex, D.; Atanasov, At.; Giovanelli, G.; Petritoli, A.; Bortoli, D.; Ravegnani, F.; Markova, T. Publikasjonsdetaljer 11th Intern. Science Conference, Solar-Terrestrial Influences, Sofia, November 24-25, 2005. URL: http://www.stil.bas.bg/11conf/ File: F 86/2005 (pdf, 1.27 MB)