1. Bulletin international: résumés des travaux présentés Type: model:periodicalitem and TEXT Language: English and French Description: 1 Rights: http://creativecommons.org/publicdomain/mark/1.0/ and policy:public
2. Publications of the Astronomical Institute of the Academy of Sciences of the Czech Republic Type: model:periodicalitem and TEXT Language: Czech and French Description: 4 and Recherches sur les mouvements propres de 3802 étoiles Rights: http://creativecommons.org/publicdomain/mark/1.0/ and policy:public