Interplanetary magnetic field By dependence of the relative position of the dayside ultraviolet auroral oval and the HF radar cusp
Journal article published in 2001 by
K. A. McWilliams,
S. E. Milan 
,
T. K. Yeoman,
J. B. Sigwarth,
L. A. Frank,
M. Brittnacher
,
T. K. Yeoman,
J. B. Sigwarth,
L. A. Frank,
M. Brittnacher
