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Persoană
Gustav Theodor Fechner
Gustav Theodor Fechner
German scientist (1801-1887)
National Library of the Czech Republic
National Library of the Czech Republic
National Library of the Czech Republic
National Library of the Czech Republic
National Library of the Czech Republic
National Library of the Czech Republic
Gustav Theodor Fechner
Bodleian Libraries, University of Oxford
Kalliope Union Catalog
National Library of the Czech Republic
National Library of the Czech Republic
ola2002153231
National Library of the Czech Republic
ola2002153231
National Library of the Czech Republic
ola2002153231
National Library of the Czech Republic
ola2002153231
National Library of the Czech Republic
Deutsches Museum, Archiv
Gustav Theodor Fechner
Bodleian Libraries, University of Oxford
Gustav Theodor Fechner
Bodleian Libraries, University of Oxford
Gustav Fischer
Ghent University Library
National Library of the Czech Republic
National Library of the Czech Republic
National Library of the Czech Republic