Mikulecky М. Lunisolar tidal waves, geomagnetic activity and epilepsy in the light of multivariate coherence // Brazilian journal of medicine. 1996. № 29 (8). P. 1069–1072; McGugan E. A. Sudden unexpected deaths in epileptics – a literature review // Scottish medical journal. 1999. № 44 (5). P. 137–139.