Your search returned 2 results. Subscribe to this search

|
1. Magnetic results from Helsinki Magnetic-Meteorological Observatory | part II: Geomagnetic Activity 1844-1856 by H. Nevanlinna, A. Ketola Publication: Helsinki Finnish Met. Institute 1992 . 65 p. 25 cm Availability: Items available: Biblioteca da Sede (1),

2. Magnetic results from Helsinki Magnetic Meteorological Observatory | Part III. Declination 1854-1880. Geomagnetic Activity 1844-1880 by H. Nevanlinna, A. Ketola Publication: Helsinki Finnish Met. Institute 1993 . 194 p. 25 cm Availability: Items available: Biblioteca da Sede (1),

Powered by Koha