TY - JOUR AU - Ludwig Oster AU - K. Schatten AU - S. Sofia BT - The Astrophysical Journal DA - Jan-05-1982 DO - 10.1086/159949 PY - 1982 EP - 768 T2 - The Astrophysical Journal TI - Solar irradiance variations due to active regions UR - http://adsabs.harvard.edu/full/1982ApJ...256..768O VL - 256 SN - 0004-637X ER -