This service has an associated publication. If you use its data, it may be appropriate to reference 1999A&A...346..675W (ADS BibTeX entry for the publication) either in addition to or instead of the service reference.
To cite the service as such, we suggest the following BibTeX entry:
@MISC{vo:dmubin_cone, year=2009, title={Delta-mu Binaries}, author={Wielen, R. and Dettbarn, C. and Jahrreiß, H. and Lenhardt, H. and Schwan, H.}, url={https://dc.zah.uni-heidelberg.de/dmubin/q/cone/info}, howpublished={{VO} resource provided by the {GAVO} Data Center} }