541. http://tunka.sinp.msu.ru/en/presentation/Sveshnikova.pdf
... 5) Two variant of calculation: Main 1 (absence of SNRs in the Earth vicinity with Emax =4 PeV ) and Main 2 (where 4 SNRs accelerate to 4 PeV ) give more or less similar structures around the knee Here we need to know MetaGalactic Sum Gal+Metag 025 0.20 · 10 7 · F(E) E 10 6 P He 3 .0 Fe · 10 5 C,O Si Pure Galactic · 10 4 10 4 10 5 10 6 10 7 10 8 10 9 10 10 10 11 10 12 E, GeV Contribution of nearby actual sources 10 1 Main 2 all p he cno si fe nearby ...