Periodicity and variation of solar (and lunar) eclipses
By: G. van den Bergh
Publisher: [H.D. Tjeenk Willink]
Published: 1955
Place of publication: Haarlem]
Language: eng
Subjects: Eclipses
Notes: Translation and revision of the author's Regelmaat en wisseling bij zonsverduisteringen.

Vol. 2: consists of illustrative matter issued in portfolio.