@misc{oai:nifs-repository.repo.nii.ac.jp:02000698, author = {FUKUMASA, Osamu and ABE, Hirotada and ITATANI, Ryohei}, month = {Jul}, title = {Anomalous Effect of Small Collisions on the Nonlinear Interaction in a Small Cold Beam and a Warm Plasma System}, year = {1977} }