1
Published: 2006
Superior document: Contributions / Finnish Meteorological Institute 55
2
Effects of energetic particle precipitation events on mesospheric neutral chemistry / Pekka Verronen
Published: 2001
Superior document: Geofysikaalisia julkaisuja 54
3
Published: 2008
Superior document: Raportteja 2008,2
4
Published: 2009
Superior document: Raportteja 2009,6