Możdżeń, Katarzyna, Patrycja Z. Leśnicka, Tomasz Burnecki, Sylwia Śliwińska-Wilczewska, Andrzej Skoczowski, and Magdalena Greczek-Stachura. 2018. “Photosynthetic Efficiency of Endosymbiotic Algae of Paramecium Bursaria Originating from Locations With Cold and Warm Climates”. Oceanological and Hydrobiological Studies 47 (2):202-10. https://czasopisma.bg.ug.edu.pl/index.php/oandhs/article/view/8624.