I. Kuřitka, V. Sedlařík, D. Harea, E. Harea, P. Urbánek, I. Šloufová, R. Coufal, and J. Zedník. Polymer Labelling with a Conjugated Polymer-Based Luminescence Probe for Recycling in the Circular Economy. MDPI AG, volume 12, issue 6, May 2020.