This service has an associated publication. If you use its data, it may be appropriate to reference 1963ASPL....9...89L (ADS BibTeX entry for the publication) either in addition to or instead of the service reference.
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@MISC{vo:eiulbttgnbla, year=2012, title={Potsdam Kapteyn series datalink service}, author={Tsvetkov, M and Tsvetkova, K. and Demleitner, M.}, url={https://dc.zah.uni-heidelberg.de/kapteyn/q/dl/info}, howpublished={{VO} resource provided by the {GAVO} Data Center} }
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