1. FLOOD CONTROL MEASURES IN THE EAST OF THE APUSENI MOUNTAINS. Authors: RADU MIHĂIESCU, ALEXANDRU OZUNU, LIVIU MUNTEAN, VIOREL ARGHIUŞ.2. GEOMORPHOLOGICAL CONSTRAINTS IN THE URBAN DEVELOPMENT OF THE GRUIA DISTRICT IN CLUJ-NAPOCA. Authors: GABRIEL DOBREI, RADU MIHĂIESCU, LIVIU MUNTEAN, CRISTIAN MALOŞ, GHEORGHE ROSIAN.3. COMPARATIVE STUDIES REGARDING THE USE OF RECYCLED PVC IN FINITE PRODUCTS. Authors: RADU MIHĂIESCU, MIHAIL SIMION BELDEAN-GALEA, DUMITRU RISTOIU, ZOSIN SERGIU PETRI.4. WASTEWATER QUALITY MONITORING. CASE STUDY: CLUJ-NAPOCA. Authors: RADU MIHĂIESCU, ILDIKO MELINDA MARTONOȘ, CĂLIN DANIEL-VÂTCA.5. THE CURRENT PROBLEMS OF URBAN DEVELOPMENT IN CLUJ METROPOLITAN AREA. Authors: RADU MIHĂIESCU, VIOREL ARGHIUŞ, VLAD MĂCICĂŞAN, OCTAVIAN-LIVIU MUNTEAN, GHEORGHE ROŞIAN, NICOLAE BACIU.