Cerrato, Carla, Riccardo Orusa, Maria Cesarina Abete, Serena Robetto, and Renata Tarasco. 2012. “Birds As Bioindicators of Environmental Contamination; Data Collected on the Jay”. Rivista Italiana Di Ornitologia 82 (1-2). https://doi.org/10.4081/rio.2012.148.