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Lo,Y.F.P.,A.W. Jiang, B.P.L. Chan, S.C. Ng,N.W. Xie, T.C. Que and F. Li. 2013. Population number and distribution of oriental pied hornbill in Guangxi, China. Biodiversity Science, 21 (3):352-358. 存档副本. [2013-08-07]. (原始内容存档于2015-01-14).