TY - Front. Eng A1 - Zachary A. COLLIER, James H. LAMBERT T1 - Managing obsolescence of embedded hardware and software in secure and trusted systems Y1 - 2020-06-15 JF - Frontiers of Engineering Management JO - Front. Eng SP - 172 EP - 181 VL - 7 IS - 2 UR - https://journal.hep.com.cn/fem N1 - 10.1007/s42524-019-0032-5 ER -