Giuliani L, Soffritti M: Non-thermal effects and mechanisms of interaction between electromagnetic fields and living matter. Mattioli 1885: 333-355; ISBN 978-88-6261-166-4
2008,
Salford LG, Nittby H, Brun A, Grafström G, Malmgren L, Sommarin M, Eberhardt J, Widegren B, Persson BRR