TY - RPRT TI - Perspectives on multi-material additive manufacturing AU - Zheng, Xiaoyu AU - Williams, Christopher AU - Spadaccini, Christopher M. AU - Shea, Kristina PY - 2021 DO - 10.1557/s43578-021-00388-y UR - https://www.osti.gov/biblio/1959474 ID - 1959474 ER -