Testing and selecting cosmological models with ultra-compact radio quasarsXiaolei Li, Shuo Cao, Xiaogang Zheng, Jingzhao Qi, Marek Biesiada and Zong-Hong ZhuEur. Phys. J. C, 77 10 (2017) 677DOI: https://doi.org/10.1140/epjc/s10052-017-5238-2