Engreitz J, Daigle Jr B, Marshall J, Altman R (2010). “Independent component analysis: mining microarray data for fundamental human gene expression modules.” J Biomed Inform, 43(6), 932-944.

Lukk M, Kapushesky M, Nikkila J, Parkinson H, Goncalves A, Huber W, Ukkonen E, Brazma A (2010). “A global map of human gene expression.” Nature Biotechnology, 28(4), 322-324.

Brad Nelms (2016). HumanAffyData experimental data package. R package version 1.6.0, https://www.bioconductor.org/packages/release/data/experiment/html/HumanAffyData.html.