共 50 条
- [7] Commercial report of the board of directors for the year 1916. BERICHTE DER DEUTSCHEN CHEMISCHEN GESELLSCHAFT, 1917, 50 : 311 - 318
- [9] Geological Society of Iceland Report of the board of directors for the working year 2022 JOKULL, 2022, 72 : 117 - 118
- [10] Geoscience Society of Iceland Report of the Board of Directors for the operating year 2021 JOKULL, 2021, (71): : 169 - 170