@book{300061,
	author = {Goddard Space Flight Center,},
	title = {Hubble focus :},
	publisher = {[NASA Goddard Space Flight Center],},
	year = {2017.},
	address = {[Greenbelt, Md.] :},
	note = {"Produced by NASA Goddard Space Flight Center and STSCI"--Page 68.},
	url = {https://purl.fdlp.gov/GPO/gpo94266}
}