The twin spot generator for differential Drosophila lineage analysis., Sustar Anne, Bonvin Marianne, Griffin Ruth, Binari Richard, del Valle Rodriguez Alberto, Hohl Amber M, Bateman Jack R, Villalta Christians, Heffern Elleard, Grunwald Didier, and Bakal Chris, Nature methods, 2009 Aug, Volume 6, Issue 8, p.600-2 (2009)