@book {144234,
	title = {Le Capital, livre I},
	year = {1985},
	publisher = {{\'E}ditions Flammarion},
	organization = {{\'E}ditions Flammarion},
	address = {Paris},
	author = {Marx, Karl},
	editor = {Roy, J.}
}
@book {144222,
	title = {Capital (3 volumes)},
	year = {1967},
	address = {New York},
	author = {Marx, Karl}
}
@book {144247,
	title = {Theses On Feuerbach},
	year = {1845},
	url = {https://www.marxists.org/archive/marx/works/1845/theses/theses.htm},
	author = {Marx, Karl}
}