Shelden, G. 15th Annual BACUS Symposium on Photomask Technology and Management. SPIE Digital Library.
Chicago-viite (17. p.)Shelden, Gilbert. 15th Annual BACUS Symposium on Photomask Technology and Management. SPIE Digital Library.
MLA-viite (9. p.)Shelden, Gilbert. 15th Annual BACUS Symposium on Photomask Technology and Management. SPIE Digital Library.
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