1. SPECTROSCOPIC INVESTIGATION OF SOME POLYMORPHIC DRUGS. PART I. INDOMETHACINE. Authors: IOAN BRATU, R. GRECU, G. BORODI, FELICIA GOZMAN-POP, MARIUS BOJITA.2. SPECTROSCOPIC STUDIES ON INCLUSION COMPLEX OF SULPHASALAZINE WITH CYCLODEXTRINS. Authors: LORENA FILIP, DIANA BOGDAN, MARIUS BOJITA, M. BOGDAN.3. SPECTROPHOTOMETRIC STUDIES OF DIAZEPAM - ß-CYCLODEXTRIN COMPLEX FORMATION. Authors: IRINA KACSO, IOAN BRATU, ANDREEA FARCAS, MARIUS BOJITA.