@article{clemens2011,
    author = "Jan Clemens, Olaf Kutzki; Bernd Ronacher; Susanne Schreiber; Sandra Wohlgemuth",
    journal = "PNAS",
    volume = "108",
    number = "33",
    year = "2011",
    DOI = "https://doi.org/10.1073/pnas.1104506108",
}