1. Verfahren zum Herstellen von Wassergas;Winkler;Patentschrift,1926
2. Fluidization Engineering;Kunii,1991
3. Applications of fluidized bed reactors;Zhu,2016
4. F. Winkler, Fuel Gas, US 1,913,968 (Application Filed January 8 1929, and in Germany February 1928).
5. Winkler’s bed;Sella;Chem. World,2017