@unpublished{author_52_2013,
	address = {Place, ST},
	type = {Unpublished manuscript},
	title = {52 {Manuscript}},
	url = {http://example.com},
	language = {en},
	urldate = {2018-07-14},
	author = {Author, First A.},
	collaborator = {Editor, S. S. and Editor, S. S.},
	year = {2013},
}

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