@book{43621,
	author = {Purdy, Ray.},
	title = {Evidence from earth observation satellites :},
	publisher = {M. Nijhoff Publishers,},
	year = {2013.},
	series = {Studies in space law ;},
	address = {Leiden ;},
	url = {http://dx.doi.org/10.1163/9789004234031}
}