Ahroni, Y.; Dresler, N.; Ulanov, A.; Ashkenazi, D.; Aviv, M.; Librus, M.; Stern, A. Selected Applications of Stimuli-Responsive Polymers: 4D Printing by the Fused Filament Fabrication Technology. Annals of “Dunarea de Jos” University of Galati. Fascicle XII, Welding Equipment and Technology 2020, 31, 13-22.