• Bio::NEXUS: a Perl API for the NEXUS format for comparative biological data 

      Hladish, Thomas; Gopalan, Vivek; Liang, Chengzhi; Qiu, Weigang; Yang, Peter; Stoltzfus, Arlin (BMC Bioinformatics, 2007-06-08)
      Background: Evolutionary analysis provides a formal framework for comparative analysis of genomic and other data. In evolutionary analysis, observed data are treated as the terminal states of characters that have evolved ...