Giuliani L, Soffritti M: Non-thermal effects and mechanisms of interaction between electromagnetic fields and living matter. Mattioli 1885: pp. 236-246; ISBN 978-88-6261-166-4
2010,
Burger T, Lucova M, Moritz RE, Oelschlager HH, Druga R, Burda H, Wiltschko W, Wiltschko R, Nemec P