1. TECTONIC AND STRUCTURAL RELATIONSHIPS IN SILVANIA MOUNTAINS. Authors: CORINA BOGDAN, IOAN-AUREL IRIMUȘ.2. CRIONIVAL PROCESSES AND THEIR EFFECT ON THE TYPES OF AGRICULTURAL LAND USE IN SILVANIA MOUNTAINS. Authors: CORINA BOGDAN, IOAN-AUREL IRIMUȘ.3. EXOKARST PROCESSES AND FORMS AND AGRICULTURAL ARRANGEMENTS IN PLOPIȘ MOUNTAINS. Authors: CORINA BOGDAN, IOAN-AUREL IRIMUȘ.