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Person
ISNI: 
0000 0000 2217 8804
Name: 
Helffrich, J.
Helffrich, Josef
Helffrich, Joseph
Joseph Helffrich (astronome allemand)
Joseph Helffrich (astronomo tedesco)
Joseph Helffrich (deutscher Astronom)
Joseph Helffrich (Duits astronoom)
Joseph Helffrich (German astronomer)
Joseph Helffrich (tysk astronom)
Хелффрич, Джозеф
Ջոզեֆ Հելֆրիչ
ヨーゼフ・ヘルフリッヒ
Dates: 
1890-1971
Creation class: 
Language material
Related names: 
Landessternwarte (Heidelberg) Affiliation (see also from)
Titles: 
Untersuchungen im Sternhaufen h Persei. -
Notes: 
Sources: