Styro, Dmitrijus, Jovita Damauskaitė, and Jonas Kleiza. “Estimation of Seasonal Variations of Hard Cosmic Ray Flux and Atmospheric Pressure in 2004–2005”. Journal of Environmental Engineering and Landscape Management 18, no. 3 (September 30, 2010): 226-233. Accessed December 10, 2019. https://journals.vgtu.lt/index.php/JEELM/article/view/6089.