1. POSSIBILITIES OF INCREASING THE EFFICIENCY OF LEARNING SOME ATHLETIC EVENTS IN THE PREPARATORY PART OF LESSON / POSSIBILITÉS D’ACCROÎTRE L’EFFICACITÉ DE L’APPRENTISSAGE DES ÉVÉNEMENTS ATHLÉTIQUES DANS LA PRÉPARATION DE LA LEÇON. Authors: COSMIN ŞPAN, MIRCEA ALEXEI.2. THE PHYSICAL PREPARATION OF THE TRACK AND FIELD ATHLETS DURING MAJOR COMPETITIONS. Authors: MIRCEA ALEXEI.3. PATTERNS OF PROKARYOTIC DIVERSITY IN SEDIMENTS OF BRACKISH TO HYPERSALINE SALT LAKES IN ROMANIA. Authors: ANDREEA BARICZ, CECILIA CHIRIAC, PAUL-ADRIAN BULZU, ADORJÁN CRISTEA, ZSOLT GYULA KERESZTES, TUDOR TĂMAȘ, MIRCEA ALEXEI, HORIA L. BANCIU.