Computerworld. 30 May 2014 [2022-07-08]. (原始内容存档于2021-05-16) (英语). DefenseDistributed has demonstrated its Liberator 3D printed gun successfully. The gun
Ross J. Anderson: Security Engineering: A Guide to Building Dependable Distributed Systems(页面存档备份,存于互联网档案馆), ISBN 0-471-38922-6 Morrie Gasser: Building