1. ISOTOPIC INVESTIGATIONS ON THE MINERAL WATERS FROM SOMESENI CLUJ, ROMANIA. Authors: STELA CUNA, PETRE BERDEA, CĂLIN BACIU.2. SOCIO-PSYCHOLOGICAL ASPECTS OF THE SPORTS PHENOMENON THE CASE OF LAWN-TENNIS. Authors: CĂLIN BACIU.3. IN MEMORIAM: PROF. DR. IUSTINIAN PETRESCU (1941–2008) - A TEACHER, A RESEARCHER OF EXCELLENCE, A DISTINCTIVE PERSONALITY. Authors: IOAN I. BUCUR, CĂLIN BACIU.4. PROFESSOR DR. IUSTINIAN PETRESCU - IN MEMORIAM. Authors: CĂLIN BACIU.5. WATER QUALITY IN CLUJ’S PRIVATE DRINKING WATER WELLS. Authors: CĂLIN BACIU, DAN COSTIN, VIOREL ARGHIUŞ, CAMELIA COSTAN, CRISTINA ROŞU.6. A COMPLEX APPROACH ON ENVIRONMENTAL MONITORING IN MINING AREAS. Authors: IOAN-CRISTIAN POP, CĂLIN BACIU, CRISTINA DOBROTĂ, ADINA-LAURA LAZĂR.7. A STATISTICAL APPROACH TO THE MINERAL WATERS OF TRANSYLVANIAN BASIN-EASTERN CARPATHIANS BOUNDARY. Authors: LADISLAU KÉKEDY-NAGY, CĂLIN BACIU, BOGLÁRKA-MERCEDESZ KIS.8. THE MINERAL WATERS FROM THE EASTERN CARPATHIANS: A CHEMICAL REVIEW. Authors: CĂLIN BACIU, BOGLÁRKA-MERCEDESZ KIS.9. EVALUATING ATTITUDES AND BEHAVIOUR TOWARDS SELECTIVE COLLECTION OF WASTE IN CLUJ-NAPOCA, ROMANIA. Authors: GEORGE CĂLIN ROGOZAN, DAN COSTIN, OCTAVIAN-LIVIU MUNTEAN, NICOLETA BICAN-BRIŞAN, CĂLIN BACIU, IOANA NICOLETA POP.10. THE INTAKE OF NICKEL, CADMIUM AND MANGANESE THROUGH THE INGESTION OF GROUNDWATER FROM SEVERAL PRIVATE WELLS FROM BAIA MARE (ROMANIA) METROPOLITAN AREA. Authors: CĂLIN BACIU, ALEXANDRU OZUNU, CRISTINA ROŞU, CARMEN ROBA.11. PRELIMINARY CONSIDERATIONS REGARDING THE GEOTHERMAL POTENTIAL IN THE APUSENI MOUNTAINS AREA . Authors: CĂLIN BACIU, IANCU ORĂȘEANU, IOAN-CRISTIAN POP, ARTUR IONESCU, ALIN-MARIUS NICULA.