Körber, Henrike, Strizhov, Nicolai, Staiger, Dorothee, Feldwisch, Joachim, Olsson, Olof, Sandberg, Göran, Palme, Klaus, Schell, Jeff, and Koncz, Csaba. 1991. “T-DNA gene 5 of Agrobacterium modulates auxin response by autoregulated synthesis of a growth hormone antagonist in plants”. The EMBO Journal 10 (13): 3983-3991.