Attolini, Maria RosaMaria RosaAttoliniCecchini, StefanoStefanoCecchiniGalli, MenottiMenottiGalliGuidi, IlariaIlariaGuidi2019-02-182019-02-181970http://hdl.handle.net/20.500.12386/1403StampaenChree method, power spectrum studies of short period variations in the primary cosmic raysTechnical report