@Article{npg-5-111-1998,
AUTHOR = {Marsch, E.},
TITLE = {Closure of multi-fluid and kinetic equations for cyclotron-resonant interactions of solar wind ions with Alfvén waves},
JOURNAL = {Nonlinear Processes  in Geophysics},
VOLUME = {5},
YEAR = {1998},
NUMBER = {2},
PAGES = {111--120},
URL = {http://www.nonlin-processes-geophys.net/5/111/1998/},
DOI = {10.5194/npg-5-111-1998}
}