@incollection{Hufnagel20,
author = {Levente Hufnagel and Melinda Pálinkás and Ferenc Mics and Réka Homoródi},
title = {Introductory Chapter: The Present Global Ecological Crisis in the Light of the Mass Extinctions of Earth History},
booktitle = {Changing Ecosystems and Their Services},
publisher = {IntechOpen},
address = {Rijeka},
year = {2020},
editor = {Levente Hufnagel},
chapter = {1},
doi = {10.5772/intechopen.90186},
url = {https://doi.org/10.5772/intechopen.90186}
}