Simultaneous X-ray and TeV observations of a rapid flare from Markarian 421
Journal article published in 1999 by
L. Maraschi,
G. Fossati,
F. Tavecchio,
L. Chiappetti 
,
A. Celotti,
G. Ghisellini,
P. Grandi,
E. Pian,
G. Tagliaferri,
A. Treves,
A. C. Breslin,
J. H. Buckley,
D. A. Carter-Lewis,
M. Catanese,
Cawley
and other authors.
,
A. Celotti,
G. Ghisellini,
P. Grandi,
E. Pian,
G. Tagliaferri,
A. Treves,
A. C. Breslin,
J. H. Buckley,
D. A. Carter-Lewis,
M. Catanese,
Cawley
and other authors.
