Kočvara, M., M. Janiga, and M. Haas. “Influence of Car Traffic on Lead Contamination in Tissues of Juvenile Parus Major During Postnatal Development”. Oecologia Montana 30, no. 1 (June 29, 2021): 42-49. Accessed September 17, 2021. https://om.vuvb.uniza.sk/index.php/OM/article/view/346.