@ARTICLE {
	AUTHOR = "Mat{\'{\i}}as Toro and {\'E}ric Tanter",
	TITLE ="Abstracting Gradual References",
	JOURNAL = "Science of Computer Programming (SCICO)",
	VOLUME = "197",
	PAGES = "1-65",
	MONTH = "Oct",
	YEAR = "2020",
	PUBLISHER = "Elsevier Science",
	ADDRESS = "Amsterdam, The Netherlands",
	ISSN = "0167-6423"
	}