共 59 条
- [51] TRIGILA RC, 1969, PERIOD MINERAL, V38, P625
- [53] Varekamp J. C., 1981, Tephra Studies. Proceedings of the NATO Advanced Study Institute. Tephra Studies as a Tool in Quaternary Research, P219
- [54] Varekamp JC, 1980, B VOLCANOL, V43, P487
- [55] VAREKAMP JC, 1979, THESIS STATE U UTREC
- [59] [No title captured]