Bernhard Studer
[arz] بيرنهارد ستودير
[da] Bernhard Studer (geolog)
[de] Bernhard Studer (Geologe)
[es] Bernhard Studer
[fr] Bernhard Studer (géologue)
[it] Bernhard Studer
[lb] Bernhard Studer
[pl] Bernhard Studer
[pt] Bernhard Studer
[ru] Штудер, Бернгард