Category:Michael de Ridder

**Michael de Ridder**
	researcher
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Date of birth	1947; Ratingen
Occupation	researcher;
Authority file
	Q89397195; VIAF ID: 40248579; GND ID: 121967522; Library of Congress authority ID: nr2001040232; National Library of Korea ID: KAC201115335; ORCID iD: 0000-0002-8273-7473
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