Styra, D., Kleiza, J., Morkūnienė, R. and Daunaravičienė, A. (2006) “Change cyclicity of volumetric activity of radionuclide 137Cs in coastal waters of the Baltic Sea and its possible reasons”, Journal of Environmental Engineering and Landscape Management, 14(2), pp. 69-76. doi: 10.3846/16486897.2006.9636881.