Reference Base Search Results Search results for References by guan, jian back to search page Sort order: ------------------- Date ASC Author normal    Guan, Jian, 1993. Primitive Elasmotherines from the Middle Miocene, Ningxia (northwestern China). Memoirs of Beijing Natural History Museum 53: 200-207, 2 Pls. File available   details back to search page Sort order: ------------------- Date ASC Author normal