set up for testing the primary ionization counting in a drift chamber at normal condition / L.Cerrito,M.Gatta,M.Imhof и др., 1996. - 12 p. - Текст : непосредственный.
Cluster counting in a large drift chamber in He 80 -CH420 at normal conditions / L.Cerrito,M.Gatta,L.Paoluzi,E.Santovetti, 1998. - 10 p. - Текст : непосредственный.