@article {477866,
	title = {A comprehensive library of known X-ray pulsars in the Small Magellanic Cloud: Time evolution of their luminosities and spin periods},
	journal = {The Astrophysical Journal},
	volume = {839},
	number = {2},
	year = {2017},
	month = {2017},
	pages = {119},
	url = {http://iopscience.iop.org/article/10.3847/1538-4357/aa6898},
	author = {J. Yang et al}
}
