Author,Title,Journal,ISSN,Publisher,Date,Volume,Number,Page,URL,URL(DOI) Edward A. Startsev and Ronald C. Davidson and Mikhail Dorf,Two-stream stability properties of the return-current layer for intense ion beam propagation through background plasma,Physics of Plasmas,1070-664X,AIP Publishing,2009-09-01,16,9,092101-1-8,https://cir.nii.ac.jp/crid/1360011146323679104,https://doi.org/10.1063/1.3213566