Menten, K.M. Max Planck Institute for Radio Astronomy, Max Planck Society;
Xu, S., Zhang, B., Reid, M., Menten, K., Zheng, X., & Wang, G. (2018). The Parallax of the Red Hypergiant VX Sgr with Accurate Tropospheric Delay Calibration. Astrophysical Journal, 859: 14, pp. 14. doi:10.3847/1538-4357/aabba6.