Astrophysics V: Miscellaneous / Astrophysik V: Verschiedenes Gisela Can also be used as

Can also be used as a textbook in graduate courses on 19th century physics

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sondern aktiv dagegen vorzugehen

Allerdings zeigt sich auch

Astrophysics V: Miscellaneous / Astrophysik V: Verschiedenes Gisela Can also be used asSolar Instruments. I. Instruments for the measurement of the total solar radiation. II. Radio telescopes. III. The image forming instruments of solar astronomy. IV. Construction and housing of solar telescopes. V. Auxiliary instruments for solar telescopes. VI. Instruments for the observation of solar eclipses. VII. Some instrumental problems of solar observation. Radio Astronomy Techniques. I. Introduction. II. Receivers. a) Principal receiver