Marcjanek, Marta, Patrycja Słodownik, and Krassimira Ilieva-Makulec. 2014. “Insects (ants, Beetles, Butterflies) As Bioindicators”. Studia Ecologiae Et Bioethicae 12 (3):99-120. https://doi.org/10.21697/seb.2014.12.3.06.