Appendix B: Literature
287
Access and are therefore also available to everyone free of charge. The URL is
iu.adsads.harvard.edu. Search functions, citation scores and bibliometric indicators are also available in ADS.
Articles are identified in ADS by a code that contains year, journal or
otherwise, first page and first letter of the author’s name. So Kapteyn’s article ‘First attempt at a theory of the arrangement and motions of the Sidereal System’ in the Astrophysical Journal, volume 55, pages 302–328 (1922),
has ADS code 1922ApJ....55..302K. It can then be found on the Web with
ui.adsabs.harvard.edu/abs/1922ApJ....55..302K/abstract.
287
Access and are therefore also available to everyone free of charge. The URL is
iu.adsads.harvard.edu. Search functions, citation scores and bibliometric indicators are also available in ADS.
Articles are identified in ADS by a code that contains year, journal or
otherwise, first page and first letter of the author’s name. So Kapteyn’s article ‘First attempt at a theory of the arrangement and motions of the Sidereal System’ in the Astrophysical Journal, volume 55, pages 302–328 (1922),
has ADS code 1922ApJ....55..302K. It can then be found on the Web with
ui.adsabs.harvard.edu/abs/1922ApJ....55..302K/abstract.