@inbook{+1955+19+28,
url = {https://doi.org/10.1515/9783112470664-008},
title = {Rechtwinklige Sonnenkoordinaten, mittleres Äquinoktium 1957.0},
booktitle = {182. Jahrgang 1957},
editor = {Astronomisches Recheninstitut der Deutschen Akademie der Wissenschaften zu Berlin},
publisher = {De Gruyter},
address = {Berlin, Boston},
pages = {19--28},
doi = {doi:10.1515/9783112470664-008},
isbn = {9783112470664},
year = {1955},
lastchecked = {2026-05-01}
}