@book{21173,
	author = {Jenkins, Jamey L. },
	title = {Observing the Sun},
	publisher = {Springer New York},
	year = {2013},
	series = {Astronomer's Pocket Field Guide},
	address = {New York},
	url = {http://doi.org/10.1007/978-1-4614-8015-0}
}