1. ULTRASOUND PROPAGATION THROUGH BIOLOGICAL TISSUES. Authors: FERRIDE SEVERCAN, DANA DOROHOI, DORINA CREANGĂ.2. MICROSCOPIC PARAMETERS IN THE EXCITED STATES OF SOME ANTHRACENE DERIVATIVES. Authors: DANA DOROHOI, DAN DIMITRIU.3. ELECTRIC DIPOLE MOMENTS OF SOME BENZO-[F]-QUINOLINIUM CYCLOADUCTS. Authors: DORINA CREANGĂ, DAN DIMITRIU, DANA DOROHOI.