Çakir, O.; Yardimeden, A.; Özben, T. Chemical machining(PDF). Archives of Materials Science and Engineering. August 2007, 28 (8): 499–502 [13 February 2013]. (原始内容(PDF)存档于2015-04-12).引用错误:带有name属性“smeCM”的<ref>标签用不同内容定义了多次
books.google.com
Fishlock, David. New Ways of Cutting Metal. New Scientist. 8 December 1960, 8 (212): 1535 [13 February 2013]. (原始内容存档于2021-03-10).
web.archive.org
Çakir, O.; Yardimeden, A.; Özben, T. Chemical machining(PDF). Archives of Materials Science and Engineering. August 2007, 28 (8): 499–502 [13 February 2013]. (原始内容(PDF)存档于2015-04-12).引用错误:带有name属性“smeCM”的<ref>标签用不同内容定义了多次
Fishlock, David. New Ways of Cutting Metal. New Scientist. 8 December 1960, 8 (212): 1535 [13 February 2013]. (原始内容存档于2021-03-10).