Bullis, W. Murray. Chapter 6. O'Mara, William C.; Herring, Robert B.; Hunt, Lee P. (编). Handbook of semiconductor silicon technology. Park Ridge, New Jersey: Noyes Publications. 1990: 431 [2010-07-11]. ISBN 978-0-8155-1237-0. (原始内容存档于2020-07-29).
Bullis, W. Murray. Chapter 6. O'Mara, William C.; Herring, Robert B.; Hunt, Lee P. (编). Handbook of semiconductor silicon technology. Park Ridge, New Jersey: Noyes Publications. 1990: 431 [2010-07-11]. ISBN 978-0-8155-1237-0. (原始内容存档于2020-07-29).