Trigonometric parallaxes of 6.7 GHz methanol masersDOI: info:10.1051/0004-6361/200913135v. 511EDP Sciences2
Rygl, K. L. J., Brunthaler, A., Reid, Mark J., Menten, Karl M., van Langevelde, H. J., and Xu, Y. 2010. "Trigonometric parallaxes of 6.7 GHz methanol masers." Astronomy and Astrophysics, 511 2. https://doi.org/10.1051/0004-6361/200913135.