1. DESCRIPTION AND COMPARISON OF AEROSOL PROPERTIES OVER CLUJ-NAPOCA - ROMANIA AND KOFORIDUA – GHANA, USING AERONET NETWORK DATA. Authors: SHARON SAPPOR, ALEXANDRU OZUNU, ALEXANDRU MEREUŢӐ, CARMEN ANDREEA ROBA, HORAŢIU ŞTEFӐNIE, MILOHUM MIKESOKPO DZAGLI, MIGNANOU YAWOVI AMOUZOUVI.2. OPTIMIZATION OF LIDAR SYSTEMS MEASUREMENTS FOR DETECTION OF CLEAR AIR TURBULENCE. Authors: LIVIO BELEGANTE, RӐZVAN PÂRLOAGӐ, ALEXANDRU MEREUŢӐ, ANDREI RADOVICI, NICOLAE AJTAI, CAMELIA BOTEZAN, HORAŢIU ŞTEFӐNIE.