@Article{npg-10-151-2003,
AUTHOR = {Mj{\o}lhus, E. and Helmersen, E. and DuBois, D. F.},
TITLE = {Geometric aspects of HF driven Langmuir turbulence in the ionosphere},
JOURNAL = {Nonlinear Processes  in Geophysics},
VOLUME = {10},
YEAR = {2003},
NUMBER = {1/2},
PAGES = {151--177},
URL = {http://www.nonlin-processes-geophys.net/10/151/2003/},
DOI = {10.5194/npg-10-151-2003}
}