Fong, Sau-yi Department Artifacts, Action, Knowledge, Max Planck Institute for the History of Science, Max Planck Society;
https://muse.jhu.edu/article/878325 (Any fulltext)
Fong, S.-y. (2022). War and Technology: Ding Gongchen and His Cannon Practice Manuals. Late Imperial China, 43(2), 89-137. doi:10.1353/late.2022.0012.