@article {2019AJ....158..238H,
	title = {An Integrable Model for the Dynamics of Planetary Mean-motion Resonances},
	journal = {\aj},
	volume = {158},
	number = {6},
	year = {2019},
	month = {dec},
	pages = {238},
	keywords = {Astrophysics - Earth and Planetary Astrophysics, Orbital resonances},
	doi = {10.3847/1538-3881/ab5287},
	author = {Hadden, Sam}
}
