Minimising radiofrequency radiation exposure of smart phones and tablets - using an off-line reader instead of wireless browsing for mobile learningAhonen, Mikko; Koppel, Tarmo56th International Riga Technical University Conference "Scientific Conference on Economics and Entrepreneurship SCEE'2015" : proceedings2015 / p. 144-145 : tab

The role of popular science literature in shaping Estonians' world outlookTalts, MaitИсторико-биологические исследования = Studies in the history of biology2013 / p. 59-83 : ill