Engel, Gregory S., Tessa R. Calhoun, Elizabeth L. Read, Tae-Kyu Ahn, Tomaš Mancal, Yuan-Chung Cheng, Robert E. Blankenship & Graham R. Fleming. “Evidence for wavelike energy transfer through quantum coherence in photosynthetic systems.” Nature 446, стр. 782–786 (12 апреля 2007).