Aslan, Z.; Gumerov, R.; Jin, W.; Khamitov, I.; Maigurova, N.; Pinigin, G.; Protsyuk, Yu.; Shulga, A.; Tang, Z.; Wang, S.
(Кинематика и физика небесных тел, 2005)
Results of international co-operation between observatories from China, Russia, Turkey, and Ukraine on refinement of linking optical and radio reference frames are discussed. About 300 fields around extragalactic radio ...