1. Bai G, Yuan ZX, Wu CY, Zhang ZQ, Zheng LX (1996) Demonstration on the geological features and genesis of the Bayan Obo ore deposit. Geological Publishing House, Beijing, pp 24–46
2. Cantrell KJ, Bryne RH (1987) Rare-earth element complexation by carbonate and oxalate ions. Geochim Cosmochim Acta 51:597–605
3. Cao RL, Zhu SH, Wang JW (1994) Source materials for the Bayan Obo Fe–REE–Nb ore deposit and problems of the genetic theory. Sci China (Ser B) 24:1298–1307 (in Chinese with English abstract)
4. Chao ECT, Back JM, Minkin JA, Tatsumoto M, Wang JW, Conrad JE, Mckee EH, Hou ZL, Meng QR, Huang SG (1997) The sedimentary carbonate-hosted Giant Bayan Obo REE–Fe–Nb ore deposit of Inner Mongolia, China: a cornerstone example for giant polymetallic ore deposit of hydrothermal origin. USGS Bull 2143:1
5. Drew LJ, Meng QR, Sun WJ (1990) The Bayan Obo iron-rare earth-niobium deposit, Inner Mongolia, China. Lithos 26(1):43–65