[1]
Coja, S. 2018. The life and work of the student of the Riga Polytechnic Institute, psalmist Jaan Jürjens (1866–1915). History of Engineering Sciences and Institutions of Higher Education. 2, (Nov. 2018), 129–136. DOI:https://doi.org/10.7250/HESIHE.2018.010.