Styro, D., and A. Usovaite. β€œOn Connection of Variations Between Hard Cosmic Ray Flux, Temperature and Cardiovascular Diseases in Vilnius and Sunspot Number During 2001–2012”. Journal of Environmental Engineering and Landscape Management, vol. 23, no. 2, June 2015, pp. 113-20, doi:10.3846/16486897.2015.1009078.