Wydawnictwo Astrum is the publisher in Poland founded in 1990 by Lech Tkaczyk.
According to PR-model, astrum.wroc.pl is ranked 1,906,482nd in multilingual Wikipedia, in particular this website is ranked 79,502nd in Polish Wikipedia.
The website is placed before lightrailuk.co.uk and after stillepost.ca in the BestRef global ranking of the most important sources of Wikipedia.
