Spectral characterization and comparison of humic acids isolated from some European lignites

Autor: Doskočil, Leoš, Burdíková-Szewieczková, Jana, Enev, Vojtěch, Kalina, Lukáš, Wasserbauer, Jaromír
Zdroj: In Fuel 1 February 2018 213:123-132
Databáze: ScienceDirect