This service has an associated publication. If you use its data, it may be appropriate to reference http://www.lsw.uni-heidelberg.de/projects/scanproject either in addition to or instead of the service reference.
To cite the service as such, we suggest the following BibTeX entry:
@MISC{vo:hdap_web, year=2007, title={{HDAP} -- Heidelberg Digitized Astronomical Plates}, author={Mandel, H. and Birkle, K. and Demleitner, M. and Landessternwarte Heidelberg}, url={https://dc.zah.uni-heidelberg.de/lswscans/res/positions/q/info}, howpublished={{VO} resource provided by the {GAVO} Data Center}, doi = {10.21938/haTEMZmoaCTEK6XZvGU.fQ} }
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