Gräbner, M. (2015). Industrial coal gasification technologies covering baseline and high-ash coal. Wiley-VCH.
Čikaški stil citiranja (17. izdanje)Gräbner, Martin. Industrial Coal Gasification Technologies Covering Baseline and High-ash Coal. Weinheim, Germany: Wiley-VCH, 2015.
MLA način citiranja (9. izdanje)Gräbner, Martin. Industrial Coal Gasification Technologies Covering Baseline and High-ash Coal. Wiley-VCH, 2015.
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