William M. Napier^a, Ted E. Bunch^b,*, James P. Kennett^c, James H. Wittke^b, Kenneth B. Tankersley^d, Gunther Kletetschka^e,f, George A. Howard^g, and Allen West^h

^aBuckingham Centre for Astrobiology, University of Buckingham, Buckingham MK18 1EG, United Kingdom;
^bGeology Program, School of Earth Science and Environmental Sustainability, Northern Arizona University, Flagstaff, AZ 86011;
^cDepartment of Earth Science and Marine Science Institute, University of California, Santa Barbara, CA 93106;
^dDepartments of Anthropology and Geology, University of Cincinnati, Cincinnati, OH 45221;
^eFaculty of Science, Charles University in Prague, 128 43 Prague, Czech Republic;
^fInstitute of Geology, Academy of Sciences of the Czech Republic, Public Research Institute, 165 00 Prague, Czech Republic;
^gRestoration Systems, LLC, Raleigh, NC 27604; and
^hGeoScience Consulting, Dewey, AZ 86327

This is a reply to the PNAS comment of Boslough et al. (2013).

Reference
Napier WM, Bunch TE, Kennett JP, Wittke JH, Tankersley KB, Kletetschka G, Howard GA and West A (2013) Reply to Boslough et al.: Decades of comet research counter their claims. PNAS 110:E4171. Reply to Comment
[doi:10.1073/pnas.1315467110]

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