2020 journal article
Cloning by cuttings in Nordmann fir, Abies nordmanniana: hormonal characteristics in relation crown position, rooting competence, and orthotropism as ramets
NEW FORESTS, 51(5), 781β800.
By: H. Rasmussenβ*, M. Jensenβ*, J. Frampton n, J. Hansen-Moller & U. Nielsen*