A joint H.E.S.S./MAGIC/VERITAS observation campaign on the radio galaxy M 87 to probe the origin of VHE γ-ray emission
Proceedings article published in 2009 by
M. Beilicke,
C. M. Hui 
,
D. Mazin,
M. Raue,
R. M. Wagner,
S. Wagner
,
D. Mazin,
M. Raue,
R. M. Wagner,
S. Wagner
