@article{Hiraki_2012,
	doi = {10.1016/j.gca.2012.02.010},
	url = {https://doi.org/10.1016%2Fj.gca.2012.02.010},
	year = 2012,
	month = {may},
	publisher = {Elsevier {BV}},
	volume = {84},
	pages = {525--533},
	author = {Yasutaka Hiraki and Akinori Yamada and Yasuko Kasai and Takamasa Seta and Minoru Ozima},
	title = {Evaluation of isotopic fractionation of oxygen ions escaping from terrestrial thermosphere},
	journal = {Geochimica et Cosmochimica Acta}
}