Epstein, R. Laser Refrigeration of Solids VIII. SPIE Digital Library.
Čikaški stil citiranja (17. izdanje)Epstein, Richard. Laser Refrigeration of Solids VIII. SPIE Digital Library.
MLA način citiranja (8. izdanje)Epstein, Richard. Laser Refrigeration of Solids VIII. SPIE Digital Library.
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