Heaney, J. Cryogenic Optical Systems and Instruments XII. SPIE Digital Library.
Čikaški stil citiranja (17. izdanje)Heaney, James. Cryogenic Optical Systems and Instruments XII. SPIE Digital Library.
MLA način citiranja (9. izdanje)Heaney, James. Cryogenic Optical Systems and Instruments XII. SPIE Digital Library.
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