id	author	title	date	pages	extension	mime	words	sentences	flesch	summary	cache	txt
en-wikipedia-org-4364		Bibcode - Wikipedia			.html	text/html	784	154	72	For the Wikipedia template to link to bibcoded articles, see Template:bibcode Code used to identify references in certain astronomical data systems The bibcode (also known as the refcode) is a compact identifier used by several astronomical data systems to uniquely specify literature references. The Bibliographic Reference Code (refcode) was originally developed to be used in SIMBAD and the NASA/IPAC Extragalactic Database (NED), but it became a de facto standard and is now used more widely, for example, by the NASA Astrophysics Data System who coined and prefer the term "bibcode".[1][2] The 6-digit article ID numbers (in lieu of page numbers) used by the Physical Review publications since the late 1990s are treated as follows: The first two digits of the article ID, corresponding to the issue number, are converted to a lower-case letter (01 = a, etc.) and inserted into column M. Some examples of bibcodes are: Bibcode:1924MNRAS..84..308E. ^ a b c "The ADS Data, help page".	./cache/en-wikipedia-org-4364.html	./txt/en-wikipedia-org-4364.txt