Smola, S. et al. 2020. Lower rim-modified calix[4]arenes with fragments of EDTA (DTPA) and their Ln(III) complexes (Ln = Yb, Lu): synthesis and NIR-luminescent properties. Ukrainian Chemistry Journal. 86, 5 (Jul. 2020), 13–23. DOI:https://doi.org/10.33609/2708-129X.86.5.2020.13-23.