@Article{npg-8-175-2001,
AUTHOR = {Chang, T.},
TITLE = {An example of resonances, coherent structures and topological phase transitions - the origin of the low frequency broadband spectrum in the auroral zone},
JOURNAL = {Nonlinear Processes  in Geophysics},
VOLUME = {8},
YEAR = {2001},
NUMBER = {3},
PAGES = {175--180},
URL = {http://www.nonlin-processes-geophys.net/8/175/2001/},
DOI = {10.5194/npg-8-175-2001}
}