@article{RuelensZhangvanMouriketal.2017,
  author    = {Philip Ruelens and Zhicheng Zhang and Hilda van Mourik and Steven Maere and Kerstin Kaufmann and Koen Geuten},
  title     = {The Origin of Floral Organ Identity Quartets},
  journal   = {The plant cell},
  volume    = {29},
  number    = {2},
  pages     = {229 -- 242},
  doi       = {10.1105/tpc.16.00366},
  year      = {2017},
}