Evidence for correlated changes in the spectrum and composition of cosmic rays at extremely high energies.
DJ
Bird
SC
Corbató
HY
Dai
BR
Dawson
JW
Elbert
TK
Gaisser
KD
Green
MA
Huang
DB
Kieda
S
Ko
CG
Larsen
EC
Loh
M
Luo
MH
Salamon
D
Smith
P
Sokolsky
P
Sommers
T
Stanev
JK
Tang
SB
Thomas
S
Tilav