Tentamen resolvendi problema geographico-magneticum
Subtitle: a perillustri Academia Imperiali Petropolitana in annum 1793 propositum
By: auctore Christiano Amadeo Kratzenstein ...
Contributors: Imperatorskai︠a︡ akademīi︠a︡ nauk (Russia).
Publisher: Ex typographia Academiae Imperialis
Place of publication: Petropoli
Number of pages: 44
Subjects: Geomagnetism -- Early works to 1800.; Geophysics -- Early works to 1800.
Genres: Early works to 1800.
Notes: Signatures: A-E⁴ F².

Ronalds, F. Electricity, p. 275.