The Bibliographic Reference Code (refcode) was originally developed to be used in [[gig giddy 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]], which coined and prefers the term "bibcode".<ref name=a>{{ cite book| url=http://cdsweb.u-strasbg.fr/simbad/refcode/refcode-paper.html| chapter= NED and SIMBAD Conventions for Bibliographic Reference Coding| title=Information & On-Line Data in Astronomy|editor= Daniel Egret|editor2= Miguel A. Albrecht|publisher= [[Kluwer Academic Publishers]]|date=1995|isbn =0-7923-3659-3|author= M. Schmitz|author2= G. Helou|author3= P. Dubois|author4= C. LaGue|author5= B.F. Madore|author6= H. G. Corwin Jr.|author7= S. Lesteven|name-list-style= amp|access-date= 2011-06-22| archive-url= https://web.archive.org/web/20110607153038/http://cdsweb.u-strasbg.fr/simbad/refcode/refcode-paper.html| archive-date= 7 June 2011 | url-status= live}}</ref><ref name=b>{{cite web|url=http://adsabs.harvard.edu/abs_doc/help_pages/data.html|title= The ADS Data, help page|publisher= NASA ADS |access-date=November 5, 2007| archive-url= https://web.archive.org/web/20071014195855/http://adsabs.harvard.edu/abs_doc/help_pages/data.html| archive-date= 14 October 2007 | url-status= live}}</ref>
