ZINKOVSKA, Natalia; PEKAŘ, Miloslav a SMILEK, Jiří. Gradient hydrogels – overview of techniques demonstrating the existence of a gradient. Online. Polymers. 2022, vol. 14, no. 5, s. 1-15. ISSN 2073-4360. Dostupné z: https://doi.org/10.3390/polym14050866. [cit. 2025-04-29].