Reference
Katarzyna Nawrot-Chorabik, Krzysztof Sitko (2014): The Effect of Abscicsic Acid and Dimethyl Sulfoxide
and Different Temperatures on the Cryopreservation
Process of Abies nordmanniana Embryogenic Callus – Phyton, Annales Rei Botanicae, Horn – 54_2: 275 - 284.