Petrash, G. CIS Selected Papers: Metal Vapor Lasers and Their Applications. SPIE Digital Library.
Chicago-viite (17. p.)Petrash, Gueorgii. CIS Selected Papers: Metal Vapor Lasers and Their Applications. SPIE Digital Library.
MLA-viite (8. p.)Petrash, Gueorgii. CIS Selected Papers: Metal Vapor Lasers and Their Applications. SPIE Digital Library.
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