Presentation of the economic upswing in the GDR, emphasizing the discovery of the process for the production of high-temperature lignite coke and the commissioning of the Lauchhammer large-scale coking plant.
2018
1965
2012
2025
1961
1962
2017
2011
1964
2014
1963
2020
2021
2013
1997
2015
2024