1. EVALUATION OF THE AROMATIC CHARACTER OF λ3-HETEROBENZENES USING THE MAGNETIC CRITERION . Authors: MIRCEA MRACEC, MIHAI MEDELEANU, RALUCA O. POP.2. PM3 CONFORMATIONAL ANALYSIS OF THE (3S,5S,6S)-6 ACETYLAMIDOPENICILLANIC ACID. ELECTRONIC PROPERTIES. Authors: MIRCEA MRACEC, DANIELA IVAN.