A. Kontogeorgos, P. Tsitsipis, C. Caroubalos, X. Moussas, P. Preka-Papadema, A. Hilaris, V. Petoussis, J.-L. Bougeret, C. E. Alissandrakis, G. Dumas, J. Polygiannakis
MEASURING SOLAR RADIO BURSTS IN THE 20-650 MHz RANGE. THE IMPROVED ARTEMIS IV MULTICHANNEL SOLAR RADIO SPECTROGRAPH OF THE UNIVERSITY OF ATHENS