Arnis Druka , Ilze Druka , Arthur G Centeno , Hongqiang Li , Zhaohui Sun , William TB Thomas , Nicola Bonar , Brian J Steffenson , Steven E Ullrich , Andris Kleinhofs , Roger P Wise , Timothy J Close , Elena Potokina , Zewei Luo , Carola Wagner , Gunther F Schweizer , David F Marshall , Michael J Kearsey , Robert W Williams and Robbie Waugh.Towards systems genetic analyses in barley: Integration of phenotypic, expression and genotype data into GeneNetwork. BMC Genetics 2008, 9:73doi:10.1186/1471-2156-9-73. PUBMED: PMC2630324