ŠELLERS, Daniels; ZIGMUNDE, Alīda; MEDVECKIS, Arturs. Activities of Professor of Riga Polytechnicum / Riga Polytechnic Institute Heinrich Malcher (1848– 1927) and His Contribution to Latvia. History of Engineering Sciences and Institutions of Higher Education, Riga, Latvia, v. 8, p. 33–45, 2024. DOI: 10.7250/HESIHE.2024.003. Disponível em: https://hesihe-journals.rtu.lv/hesihe/article/view/HESIHE.2024.003.. Acesso em: 6 mar. 2026.