TY - JOUR AU - Ludwig Oster BT - Journal of Geophysical Research DA - Jan-01-1983 DO - 10.1029/JA088iA03p01953 PY - 1983 EP - 1953 T2 - Journal of Geophysical Research TI - Solar irradiance variations: 1. Analysis of modeling techniques and intercomparison of ground-based data VL - 88 SN - 0148-0227 ER -