CORNÉLISSEN, Germaine, Dana JOHNSON, Inna MALKOVA, Elena V SYUTKINA, Anatoly MASALOV,
Jarmila SIEGELOVÁ a Franz HALBERG. Chronomics of solar activity and perinatal events. In
NONINVASIVE METHODS IN CARDIOLOGY. 1. vyd. Brno: LF MU, 2007, s. 28-35. Halberg, Kenner, Fišer, Siegelová. ISBN 978-80-7013-463-4.