Donald Machholz (Polish Wikipedia)

Analysis of information sources in references of the Wikipedia article "Donald Machholz" in Polish language version.

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1donmachholz.com

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donmachholz.com

Strona domowa Donalda Machholza. [dostęp 2016-11-06]. (ang.).

ground.news

Don Machholz, 1952-2022. ground.news. [dostęp 2022-08-10]. (ang.).

latimes.com

articles.latimes.com

Associated Press: Amateur Astronomer Nails Down His Second Comet. [w:] Los Angeles Times [on-line]. 1985-06-16. [dostęp 2016-11-06]. (ang.).