Astronomy and navigation: by D. H. Sadler. Occasional Notes No. 13, Royal Astronomical Society, 109 to 126 pages, illustrations, plates, 17 × 25 cm. London, Royal Astronomical Society, 1949. Price, 3s. 6d

• 卷第249卷
• 期第3期
• 印刷ISSN0016-0032
• 文件大小76.88KB
• 发表时间1950
• DOI10.1016/0016-0032(50)90529-1