Fortes, P. R. Optical Gas Sensors for Exhaled Breath Analysis. SPIE Digital Library.
Čikaški stil citiranja (17. izdanje)Fortes, Paula R. Optical Gas Sensors for Exhaled Breath Analysis. SPIE Digital Library.
MLA način citiranja (8. izdanje)Fortes, Paula R. Optical Gas Sensors for Exhaled Breath Analysis. SPIE Digital Library.
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