Dumitrache, P. Shear Stresses in Beams With Variable Cross Section, Subjected to Non-Uniform Bending. Analele Universităţii "Dunărea de Jos" din Galaţi. Fascicula XIV, Inginerie mecanică = Annals of “Dunarea de Jos“ University of Galati. Fascicle XIV, Mechanical Engineering 2012, 19, 39-44.