Category:Hanna Trojanowska

**Hanna Trojanowska**
	Upload media
Date of birth	14 June 1958; Bydgoszcz
Educated at	Czech Technical University in Prague;
Occupation	electrical engineer;
Authority file
	Q55392749;
	Reasonator; Scholia; Wikidocumentaries; PetScan; statistics; WikiMap; Locator tool; KML file; Search depicted;

Media in category "Hanna Trojanowska"

This category contains only the following file.