TY - JOUR A1 - Chang, T. T1 - An example of resonances, coherent structures and topological phase transitions - the origin of the low frequency broadband spectrum in the auroral zone JO - Nonlin. Processes Geophys. J1 - NPG VL - 8 IS - 3 SP - 175 EP - 180 Y1 - 1999/11/30 PB - Copernicus Publications SN - 1023-5809 UR - http://www.nonlin-processes-geophys.net/8/175/2001/ L1 - http://www.nonlin-processes-geophys.net/8/175/2001/npg-8-175-2001.pdf ER -