共 50 条
- [41] Environmental Geochemistry of Geophagic Materials from Free State Province in South Africa OPEN GEOSCIENCES, 2017, 9 (01): : 114 - 125
- [43] THE PLANT-COMMUNITIES OF THE HILLS AND RIDGES IN THE NORTH-WESTERN ORANGE-FREE-STATE, SOUTH-AFRICA BOTANICAL BULLETIN OF ACADEMIA SINICA, 1990, 31 (04): : 295 - 304