Flachowsky, H., M. Riedel, S. Reim, and M.-V. Hanke. “Evaluation of the Uniformity and Stability of T-DNA Integration and Gene Expression in Transgenic Apple Plants”. Electronic Journal of Biotechnology, vol. 11, no. 1, Jan. 2008, pp. 0-0, https://preprints.pucv.cl/index.php/ejbiotechnology/article/view/v11n1-10.