Users are asked to acknowledge their use of NVO tools,
applications, and software in any resulting publications.
The following language is suggested:
This research has made use of data obtained from or software
provided by the US National Virtual Observatory, which is
sponsored by the National Science Foundation.
We further kindly request that you include, at the first mention of Footprint Services,
a footnote placed in the main body of the paper referring to the web site located at
and a reference to the following paper
Budavári, T., Dobos, L., Szalay, A.S., Greene, G., Gray, J., Rots, A. H., 2007,
"Footprint Services for Everyone" in
Astronomical Data Analysis Software and Systems XVI, ASP Conference Series, Vol. 376,
eds. R. A. Shaw, F. Hill & D. J. Bell (San Francisco: ASP),