Nikishina, T. V., A. S. Popov, and E. A. Popovich. “Cryopreservation of Seeds of Dactylorhiza Baltica (Klinge) Orlova (Orchis Baltica (Klinge) Nevski) Rare Orchid of Temperate Latitudes”. Problems of Cryobiology and Cryomedicine 15, no. 3 (September 25, 2005): 280. Accessed April 20, 2024. http://cryo.org.ua/journal/index.php/probl-cryobiol-cryomed/article/view/1104.