Erisen, S., M. Yorgancilar, E. Atalay, M. Babaoglu, and A. Duran. “Callus Induction and Plant Regeneration of the Endemic Astragalus Nezaketae in Turkey”. Electronic Journal of Biotechnology, vol. 13, no. 6, Dec. 2010, pp. 0-0, https://preprints.pucv.cl/index.php/ejbiotechnology/article/view/v13n6-3.