Google Scholar October 23, 2025 by jlamprecht http://scholar.google.com/scholar_lookup?&title=A%20long-term%20numerical%20solution%20for%20the%20insolation%20quantities%20of%20the%20Earth&journal=Astronomy%20Astrophys.&volume=428&pages=261-285&publication_year=2004&author=Laskar%2CJ
