AUTHOR=Siegert Martin J. 

TITLE=Environmental Sciences in the Twenty-First Century

JOURNAL=Frontiers in Environmental Science

VOLUME=4

YEAR=2016

URL=https://www.frontiersin.org/journals/environmental-science/articles/10.3389/fenvs.2016.00016

DOI=10.3389/fenvs.2016.00016

ISSN=2296-665X