1. Scholarly Context Not Found: One in Five Articles Suffers from Reference Rot;M Klein;PLoS ONE,2014
2. Brunhill P, Grover C, Van de Sompel H, Alex B, Mewissen M, Strickland T, et al.. Hiberlink; 2015. Accessed: 2016 January 22. Available from: http://hiberlink.org
3. Searching for Quantum Gravity with High Energy Atmospheric Neutrinos and AMANDA-II;JL Kelley;Nuclear Physics A,2009
4. Franceschini A, Silva L, Granato GL, Bressan A, Danese L. Old Massive Ellipticals and S0 in the Hubble Deep Field Vanish from View at z > 1.3: Possible Solutions of the Enigma; 1997. arXiv:astro-ph/9707064. Available from: http://arxiv.org/abs/astro-ph/9707064
5. Cho J, Garcia-Molina H. The Evolution of the Web and Implications for an Incremental Crawler. In: Proceedings of the 26th International Conference on Very Large Data Bases. VLDB’00. San Francisco, CA, USA: Morgan Kaufmann Publishers Inc.; 2000. p. 200–209. Available from: http://dl.acm.org/citation.cfm?id=671679