« Study on the influence of ultrasound frequency emitted by a sonic generator on water parameters » (2013) Analele Universităţii "Dunărea de Jos" din Galaţi. Fascicula XIV, Inginerie mecanică = Annals of “Dunarea de Jos“ University of Galati. Fascicle XIV, Mechanical Engineering, 20(1), p. 73–76. Disponible sur: https://ojs.ugal.ro/index.php/im/article/view/3586 (Consulté le: 2 novembre 2026).