1. INDOOR RADON RELATED WITH THE GEOLOGY IN ROMANIAN URBAN AGGLOMERATIONS (CLUJ-NAPOCA). Authors: ALEXANDRA CUCOȘ, CARLOS SAINZ, GABRIEL DOBREI, TEOFANA SFERLE, ANDREEA RĂCHIȘAN, CRISTINA HORJU-DEAC, ARTHUR TUNYAGI, TIBERIU CATALINA, ANDREI ISTRATE, SIMION BELDEAN, BOTOND PAPP, ANCA ȚENTER, KINGA SZACSVAI, MIRCEA MOLDOVAN, BETY-DENISSA BURGHELE, TIBERIUS DICU, ȘTEFAN FLORICĂ.2. AUTOMATIC SYSTEM FOR CONTINUOUS MONITORING OF INDOOR AIR QUALITY AND REMOTE DATA TRANSMISSION UNDER SMART_RAD_EN PROJECT. Authors: ALEXANDRA CUCOȘ, CARLOS SAINZ, GABRIEL DOBREI, BOTOND PAPP, KINGA SZACSVAI, TIBERIUS DICU, ARTHUR TUNYAGI.3. HOW SHORT IS A SEMI-INFINITE LADDER? AN EXPERIMENTAL APPROACH. Authors: ALPAR SIMON, ZS. LÁZÁR, ARTHUR TUNYAGI, L. CSILLAG.4. LOW-COST, LOAD CELL AND MICROCONTROLLER BASED BENDING STIFFNESS TESTER. Authors: ALPAR SIMON, ARTHUR TUNYAGI, Z. KAPUSI.