@book{20630,
	author = {Pecontal, E., ed.  and Buchert,  T. },
	title = {Dark Energy and Dark Matter: Observations, Experiments and Theories},
	publisher = {EDP Sciences},
	year = {2009},
	series = {EAS Publications Series},
	address = {France},
	url = {https://www.eas-journal.org/articles/eas/abs/2009/03/contents/contents.html}
}