Parallactic instrument of Kapteyn (English Wikipedia)

Analysis of information sources in references of the Wikipedia article "Parallactic instrument of Kapteyn" in English language version.

refsWebsite

Global rank English rank

18^th place

17^th place

1,871^st place

1,234^th place

low place

low place

485^th place

440^th place

ed.ac.uk

collections.ed.ac.uk

Coimbra Group, 2017, information gathered on 15-2-2019

harvard.edu

adsabs.harvard.edu

Gill D., Kapteyn J.C. (1875) Cape Photographic Durchmusterung
Wolf, M. (1902) Der parallactische Messaparat, Publikationen des Astrophysikalischen Instituts Koenigstuhl-Heidelberg, Vol. 1, p. 5-10

adsbit.harvard.edu

Dugan, R. S. (1933) Max Wolf. Popular Astronomy, Vol. 41, p. 243

oup.com

academic.oup.com

Halm, J. (1918) On the Magnitudes of the Cape Photographic Durchmusterung, Monthly Notices of the Royal Astronomical Society, Volume 78, Issue 3, P.199–212

ukrant.nl

archief.ukrant.nl

Boomsma, C. (interview with Jan Waling Huisman) (2013) Schatten van Kapteyn. UK online magazine