Tsegay, B. A., Lund, L., Nilsen, J., Olsen, J. E., Molmann, J. M., Ernsten, A. and Juntttila, O. (2005) “Growth responses of Betula pendula ecotypes to red and far-red light”, Electronic Journal of Biotechnology. Valparaíso, Chile, 8(1), pp. 0–0. Available at: https://www.ejbiotechnology.info/index.php/ejbiotechnology/article/view/v8n1-10 (Accessed: 22 November 2024).