TY - RPRT TI - Material Developments for 3D/4D Additive Manufacturing (AM) Technologies AU - Murph, Simona Hunyadi AU - Sessions, Henry AU - Ward, Patrick AU - Bobbitt, John AU - Belliveau, Ray PY - 2020 DO - 10.2172/1676417 UR - https://www.osti.gov/biblio/1676417 ID - 1676417 ER -