TY - RPRT TI - The Bayan Obo iron-rare-earth-niobium deposits, Inner Mongolia, China AU - Lawrence J. Drew AU - Meng Qingrun AU - Sun Weijun PY - 1990 DO - 10.1016/0024-4937(90)90040-8 UR - https://pubs.usgs.gov/publication/70015764 ID - 70015764 ER -