Leo Anton Karl de Ball (Polish Wikipedia)

Analysis of information sources in references of the Wikipedia article "Leo Anton Karl de Ball" in Polish language version.

refsWebsite

Global rank Polish rank

1kuffner-sternwarte.at

low place

low place

18^th place

140^th place

harvard.edu

adsabs.harvard.edu

Peter Habison. Leo de Ball and his contributions to international astronomical projects around 1900. „Acta Historica Astronomiae”. 14, s. 169-181, 2002. Bibcode: 2002AcHA...14..169H. (ang.).

kuffner-sternwarte.at

Leo de Ball (1853-1916). Verein Kuffner-Sternwarte. [dostęp 2016-11-10]. (niem.).