by Habarulema, John Bosco, McKinnell, Lee-Anne, Opperman, Ben D.L.
Published in Journal of atmospheric and solar-terrestrial physics (01.04.2010)

by Habarulema, John Bosco, McKinnell, Lee-Anne, Opperman, Ben D. L.
Published in Journal of Geophysical Research: Space Physics (01.04.2011)

by Habarulema, John Bosco, McKinnell, Lee-Anne, Cilliers, Pierre J., Opperman, Ben D.L.
Published in Advances in space research (02.06.2009)

by Habarulema, John Bosco, McKinnell, Lee-Anne, Opperman, Ben D.L.
Published in Advances in space research (01.07.2009)

by Habarulema, John Bosco, McKinnell, Lee-Anne, Opperman, Ben D. L.
Published in Journal of Geophysical Research: Space Physics (01.04.2011)

by Opperman, Ben D.L., Cilliers, Pierre J., McKinnell, Lee-Anne, Haggard, Ray
Published in Advances in space research (2007)