00345nam a2200133Ia 4500003000900000005001700009008004100026040001600067080001500083100001500098245006700113260002100180300001000201IN-BaIIA20250730103720.0211028s9999    xx            000 0 eng d  cIIA Library  a520.2bSTR  aStruve, O. 0aZum 50-jahrigen bestehn der nicolai-hauptsternwartecO. Struve  aPetersburgc1889  a133p.