Tsutsayeva, A. A., A. E. Ananyiina, and N. V. Pavlenko. 2004. “Viability of Streptomyces Fradiae VNIIG-25’ Spore Culture After Some Factor Effect of Freeze-Drying Process”. Problems of Cryobiology and Cryomedicine, no. 1 (March):26-30. https://cryo.org.ua/journal/index.php/probl-cryobiol-cryomed/article/view/700.