RETRACTED ARTICLE: The second version of the OCARS catalog of optical characteristics of astrometric radio sources
Crossref DOI link: https://doi.org/10.1134/S1063772916110032
Published Online: 2016-11-05
Published Print: 2016-11
Update policy: https://doi.org/10.1007/springer_crossmark_policy
Malkin, Z. M.
License valid from 2016-11-01