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Kurtz, M.J.; Eichhorn G.; Accomazzi A.; Grant C.S.; Demleitner M.; Murray S.S. (2005). "Worldwide Use and Impact of the NASA Astrophysics Data System Digital Library". The Journal of the American Society for Information Science and Technology. 56 (1): 36–45. arXiv:0909.4786. Bibcode:2005JASIS..56...36K. doi:10.1002/asi.20095.
Kurtz, M.J.; Eichhorn G.; Accomazzi A.; Grant C.S.; Demleitner M.; Murray S.S. (2005). "Worldwide Use and Impact of the NASA Astrophysics Data System Digital Library". The Journal of the American Society for Information Science and Technology. 56 (1): 36–45. arXiv:0909.4786. Bibcode:2005JASIS..56...36K. doi:10.1002/asi.20095.
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