@Article{npg-10-37-2003,
AUTHOR = {Goldman, M. V. and Newman, D. L. and Ergun, R. E.},
TITLE = {Phase-space holes due to electron and ion beams accelerated by a current-driven potential ramp},
JOURNAL = {Nonlinear Processes  in Geophysics},
VOLUME = {10},
YEAR = {2003},
NUMBER = {1/2},
PAGES = {37--44},
URL = {http://www.nonlin-processes-geophys.net/10/37/2003/},
DOI = {10.5194/npg-10-37-2003}
}