Observation of the magnetic declination at Warsaw during the solar eclipse of April 17Stanisław Kalinowski

Observation of the magnetic declination at Warsaw during the solar eclipse of April 17

Name: Observation of the magnetic declination at Warsaw during the solar eclipse of April 17
Author: Stanisław Kalinowski

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Biblioteki: Observation of the magnetic declination at Warsaw during the solar eclipse of April 17, Stanisław Kalinowski | gdziejestksiazka.pl