TY JOUR TI Variations of trace gases, meteorological parameters, and their connection with aerosol formation in boreal forests KW trace gases KW nucleation KW seasonal variation KW atmospheric nanoaerosols. JO Russian Journal of Earth Sciences AU Lyubovtseva, Y.S. AU Sogacheva, L.. AU Kulmala, M.. PY 2008 IS 10 PB Geophysical Center of the Russian Academy of Sciences