Items where Author is "Virtanen, I."

Kero, A. and Enell, C.-F. and Kavanagh, A.J. and Vierinen, J. and Virtanen, I. and Turunen, E. (2008) Could negative ion production explain the polar mesosphere winter echo (PMWE) modulation in active HF heating experiments? Geophysical Research Letters, 35. L23102. ISSN 0094-8276