HALBERG, Franz, Germaine CORNÉLISSEN, Robert B SOTHERN, David HILLMANN, George S KTAINAS, Ellis S NOLLEY, Larry A BEATY, Kuniaki OTSUKA,
Jarmila SIEGELOVÁ, Frank GREENWAY, Alok GUPTA, Miguel REVILLA, Anatoly MASALOV, Elena V SIUTKINA, Inna MALKOVA, Sergei M CHIBISOV, Othild SCHWARTZKOPFF and Earl E BAKKEN. GLOBAL CHALLENGES OF MONITORING VASCULAR VARIABILITY AND SPACE WEATHER. In
NONINVASIVE METHODS IN CARDIOLOGY. 1st ed. Brno: LF MU, 2007, p. 10-27. Halberg, Kenner, Fišer, Siegelová. ISBN 978-80-7013-463-4.