|
Date |
Comment |
|---|---|
| 14 August | Radoslav Vukas & Ana Dajovic, Ministry of Energy and Mining, Republic of Serbia |
| 14 August | Sigurd Heiberg (Download PDF) |
| 10 August | State Committee of Ukraine on Natural Resources |
| 5 August | Doug MacDonald |
| 25 July | Xinjun Shao |
| 16 July | Marinela Panayotova (Download PDF) |