Teplitskaja, L., J. N. Kutjavina, I. N. Jurkova, & V. P. Tajkova.
" The influence of manganese on growth characteristics of callus culture of Astragalus dasyanthus Pall.." <em>Modern Phytomorphology</em> [Online], 2 (2012): 125-127. Web. 13 Apr. 2018