Ana Zaknic-Catovic P.Ge, University of Toronto Scarborough, Toronto, ON, Canada; University of Toronto Scarborough, Toronto, ON, Canada; and W. A. Gough and Z. Catovic
Radan Huth, Charles University, Faculty of Science, Prague, Czech Republic; Institute of Atmospheric Physics, Prague, Czech Republic; and J. Stryhal, T. Krauskopf, D. Navrátilová, and M. Kašpar
Jan Stryhal, Institute of Atmospheric Physics, Czech Academy of Sciences, Prague, Czech Republic; Faculty of Science, Charles University, Prague, Czech Republic; and R. Huth and J. A. Fernandez-Granja