TY JOUR TI The effects of galactic cosmic rays, modulated by solar terrestrial magnetic fields, on the climate KW cosmic rays KW solar and geomagnetic variations KW climate changes KW cosmogenic and stable nuclides. JO Russian Journal of Earth Sciences AU Dergachev, V.A. AU Dmitriev, P.B. AU Raspopov, O.M. AU Van Geel, B.. PY 2004 IS 6 PB Geophysical Center of the Russian Academy of Sciences