J. Linsley, "Cosmic Ray Showers," Ann. Rev. Nucl. Part. Sci., vol 10, pp.63-108,1960.
 F. Halzen and S. R. Klein, "Astronomy and Astrophysics with Neutrinos," Physics Today, vol. 61, no 5. pp. 29-35. May 2008.
 F. Halzen and D. Hooper, "High-energy neutrino astronomy: The Cosmic ray connection," Rept. Prog. Phys. vol. 65, pp. 1025-1078, 2002.
 J.W. Cronin, "The Highest-energy cosmic rays," Nucl. Phys. Proc. Suppl. vol 138, pp. 465-491, 2005.
 J. Abraham et al. (the Pierre Auger Collaboration), "Correlation of the Highest-Energy Cosmic Rays with Nearby Extragalactic Objects," Science, vol. 318, pp. 938-943, 2007.
 R. U. Abbasi et al. (The Flys Eye Collaboration), "Correlations between HiRes Stereo Events and Active Galactic Nuclei," preprint arXiv:0804.0382, April, 2008.
 V. Aynutdinov et al. (the Baikal Collaboration), "The Baikal neutrino experiment: Status, selected physics results, and perspectives," Nucl. Instrum. & Meth. vol A588, pp. 99-106, 2008.
 E. Andres et al. (the AMANDA Collaboration), "Observation of high-energy neutrinos using Cherenkov detectors embedded deep in Antarctic ice," Nature, vol. 410, pp. 441-443 (2001).
 A. Achterberg et al. (the IceCube Collaboration), "First year performance of the IceCube neutrino telescope," Astropart. Phys., vol. 26, pp. 155-173, 2006.
 M. Ackermann et al., "Optical properties of deep glacial ice at the South Pole, J. Geophys. Res. vol. 111, pp. D13203, 2006.
 N. E. Bramall, R. C. Bay, K. Woschnagg, R. A. Rohde and P. B. Price, "A deep high-resolution optical log of dust, ash and statigraphy in South Pole glacial ice," Geophys. Res. Lett., vol. 32, pp. L21815 .
 J. Ahrens et al. (the AMANDA Collaboration), "Muon track reconstruction and data selection techniques in AMANDA," Nucl. Instrum. Meth. vol. A524, pp. 169-194, 2004.
 J. Lundberg et al., "Light tracking through ice and water – Scattering and absorption in heterogenous media with PHOTONICS," Nucl. Instrum. and Meth. vol. A581, pp. 619-631, 2007.
 A. Achterberg et al. (the IceCube Collaboration), "The IceCube Collaboration: Contributions to the 30th International Cosmic Ray Conference (ICRC 2007)," unpublished preprint arXiv:0711.0353, November 2007.
 A. Achterberg et al., (the IceCube Collaboration), "Multi-year search for a diffuse flux of muon neutrinos with AMANDA-II," Phys. Rev. vol. D76, pp. 042008, 2007.
 A. Achterberg et al. (the IceCube Collaboration), "Five years of searches for point sources of astrophysical neutrinos with the AMANDA-II neutrino telescope," Phys. Rev. vol. D75, pp. 102001, 2007