文章题目：Rapid radiation events in the family Ursidae indicated by likelihood phylogenetic estimation from multiple fragments of mtDNA
第一作者：Waits LP
中间作者：Sullivan J, O’Brien SJ
最后作者：Ward R
发表年代：1999
杂志名：Molecular Phylogenetics and Evolution
卷期页码：13(1): 82-92