@Article{hgss-2026-12,
AUTHOR = {Hamilton, K. and Ohfuchi, W.},
TITLE = {The Remarkable Scientist and Writer Ukichiro Nakaya and his ``Black Moon'' and ``White Moon'' Worlds},
JOURNAL = {History of Geo- and Space Sciences Discussions},
VOLUME = {2026},
YEAR = {2026},
PAGES = {1--58},
URL = {https://hgss.copernicus.org/preprints/hgss-2026-12/},
DOI = {10.5194/hgss-2026-12}
}