To cite the service as such, we suggest the following BibTeX entry:
@MISC{vo:eiueilewpset, year=2007, title={{OCA} Data Center}, author={Observatoire de la Côte d'Azur}, url={https://dachs.oca.eu/__system__/services/root/info}, howpublished={{VO} resource provided by the {OCA} Data Center} }