@book{49450,
	author = {Schutz, Alfred, and Natanson, Maurice Alexander,},
	title = {Collected papers /},
	publisher = {M. Nijhoff :},
	year = {1982.},
	address = {Boston :},
	note = {Vol. 4 edited with preface and notes by Helmut Wagner and George Psathas in collaboration with Fred Kersten.},
	url = {http://www.loc.gov/catdir/enhancements/fy0814/83102569-d.html}
}