Near-infrared spectra of 13 QSOs located between 4.4
CITATION STYLE
Iwamuro, F., Motohara, K., Maihara, T., Kimura, M., Yoshii, Y., & Doi, M. (2002). Fe ii /Mg ii Emission‐Line Ratios of QSOs within 0 < z < 5.3. The Astrophysical Journal, 565(1), 63–77. https://doi.org/10.1086/324540
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