Salachna Piotr and Zawadzińska Agnieszka 2014. Optimization of Ornithogalum Saundersiae Baker Propagation by Twin Scale Cuttings with the Use of Biopolymers. Journal of Basic & Applied Sciences. 10, (Jan. 2014), 514–518. DOI:https://doi.org/10.6000/1927-5129.2014.10.68.