The Megamaser Cosmology Project. X. High-resolution Maps and Mass Constraints for SMBHsDOI: info:10.3847/1538-4357/aaa95cv. 854124
Zhao, Wei, Braatz, James A., Condon, James J., Lo, K. Y., Reid, Mark J., Henkel, C., Pesce, Dominic W., Greene, J. E., Gao, F., Kuo, C. Y., and Impellizzeri, C. M. V. 2018. "The Megamaser Cosmology Project. X. High-resolution Maps and Mass Constraints for SMBHs." The Astrophysical Journal, 854 124. https://doi.org/10.3847/1538-4357/aaa95c.