@ARTICLE {
	AUTHOR = "Gonzalo Navarro and Sharma Thankachan",
	TITLE ="Bottom-k Document Retrieval",
	JOURNAL = "Journal of Discrete Algorithms (JDA)",
	VOLUME = "32",
	PAGES = "69-74",
	YEAR = "2015",
	PUBLISHER = "Elsevier Science",
	ADDRESS = "Amsterdam, The Netherlands",
	ISSN = "1570-8667"
	}