Evaluation of CLARA-A2 and ISCCP-H Cloud Cover Climate Data Records over Europe with ECA&D Ground-Based Measurements. - Vasileios Tzallas; Nikos Hatzianastassiou; Nikolaos Benas; Jan Fokke Meirink; Christos Matsoukas; Paul W. Stackhouse Jr.; Ilias Vardavas (Remote. Sens., 2019)