Bolimowski, P. A., R. Kozera, and A. Boczkowska. 2021. “Poly(urea-Formaldehyde) Microcapsules – Synthesis and Influence of Stirring Speed on Capsules Size”. Polimery 63 (5):339-46. https://doi.org/10.14314/polimery.2018.5.2.