FERETTI, LUIGINALUIGINAFERETTIFicarra, AntoninoAntoninoFicarraGiovannini, GabrieleGabrieleGiovanniniGregorini, LorettaLorettaGregorini2020-06-012020-06-011981http://hdl.handle.net/20.500.12386/25390StampaitLibreria di Westerbork per Osservazioni BreviTechnical reporthttp://www.ira.inaf.it/Library/rapp-int-2004/67-81.pdf