 
          
          
          
          | Authors | Title | Year | |
|---|---|---|---|
| Diering, T; Ngidi, SN; Bezuidenhout, JJ; Paetzold, HD | Palabora Lift 1 block cave: understanding the grade behaviour Caving 2018: Proceedings of the Fourth International Symposium on Block and Sublevel Caving, Caving 2018 | 2018 |   |