Measurement of the He nuclei flux at high energies with the PAMELA experiment
Proceedings article published in 2009 by
N. Mori,
O. Adriani,
G. C. Barbarino,
G. A. Bazilevskaya,
R. Bellottik,
M. Boezio,
E. A. Bogomolov,
L. Bonechi,
M. Bongi,
Bonvicini,
S. Bottai,
A. Brunok,
F. Cafagna 
,
D. Campana ,
P. Carlson
and other authors.
,
D. Campana ,
P. Carlson
and other authors.
