CECATTO, J. R., SAWANT, H. S., FERNANDES, F. C. R., KRISHAN, V., ROSA, R. R., KARLICKÝ, M. Decimetric reverse drift and U-type bursts in the April 9, 2001 flare. In: MARTENS, P.C.H., CAUFFMAN, D.P., eds. Multi-wavelenght observations of coronal structure and dynamics. Yohkoh 10th anniversary meeting. Amsterdam: Pergamon, 2002, s. 313-314.