1. 3D MOLECULAR SIMILARITY; METHOD AND ALGORITHMS. Authors: OLEG URSU, MIRCEA V. DIUDEA.2. 3D MOLECULAR SIMILARITY; METHOD AND ALGORITHMS. Authors: OLEG URSU, MIRCEA V. DIUDEA.3. TOPOLOGICAL DESCRIPTORS IN WEIGHTED MOLECULAR GRAPHS, APPLICATIONS IN QSPR MODELING. Authors: OLEG URSU, MIRCEA V. DIUDEA.4. HYDANTOIN DERIVATIVES HPLC-RT LIPOPHILICITIES: A QSPR STUDY. Authors: OLEG URSU, MIRCEA V. DIUDEA.5. HEX TORI FROM SQUARE TORI. Authors: MIRCEA V. DIUDEA, BAZIL PÂRV, OLEG URSU.6. HEX TUBES FROM SQUARE TUBES. Authors: MIRCEA V. DIUDEA, OLEG URSU, BAZIL PÂRV.