Sandhya Xirasagar Scott F. Gustafson B. Alex Merrick Kenneth B. Tomer Stanley Stasiewicz Denny D. Chan Kenneth J. Yost III John R. Yates III Susan Sumner Nianqing Xiao Michael D. Waters CEBS object model for systems biology data, SysBio-OM. 2004-2015 2004 20 Bioinformatics 13 http://dx.doi.org/10.1093/bioinformatics/bth189 db/journals/bioinformatics/bioinformatics20.html#XirasagarGMTSCYYSXW04