D. Maia, M. Pick, S. E Hawkins III,V.V. Formichev,
and K. Jiricka, Solar Phys.,
issue 1/2,
204, 197-212 2001.
This event is
recurrent: After the main phase at 10: 00 UT (M1),
two other strong bursts (M2 and M3) are detected.
Two shocks
associated with M1 and M3