@book{208997,
	author = {Singer, Irving. and ebrary, Inc.},
	title = {The harmony of nature and spirit},
	publisher = {MIT Press,},
	year = {2010.},
	series = {Meaning in life ;},
	address = {Cambridge, MA :},
	url = {http://site.ebrary.com/lib/rucke/Doc?id=10359386}
}