Spear, J.R., Walker, J.J. & Pace, N.R.  (2006).  Microbial ecology and energetics in Yellowstone Hot Springs.  Yellowstone Science, 14:17-24.

Ley, R.E., Harris, J.K., Wilcox, J., Spear, J.R., Miller, S.R., Bebout, B.M., Maresca, J.A., Bryant, D.A. & Pace, N.R.  (2006).  Unexpected diversity and complexity from the Guerrero Negro hypersaline microbial mat.  Appl. Environ. Microbiol., 72:3685-3695.

Ley, R.E., Harris, J.K., Wilcox, J., Spear, J.R., Miller, S.R., Bebout, B.M., Maresca, J.A., Bryant, D.A., Sogin, M.L. & Pace, N.R.  (2006).  Unexpected diversity and complexity of the Guerrero Negro hypersaline microbial mat.  Appl Environ Microbiol, 72(5):3685-95  [Online].

Walker, J.J., Spear, J.R. & Pace, N.R.  (2005).  A novel endolithic microbial community in the Yellowstone geothermal environment.  Nature, 434:1011-1014.

Spear, J.R., Walker, J.J., McCollom, T. & Pace, N.R.  (2005).  Hydrogen and bioenergetics in a geothermal ecosystem.  Proc. Natl. Acad. Sci. USA, 102:2555-2560.

Spear, J.R. & Pace, N.R.  (2004).  Diversity of life at the geothermal subsurface-surface interface: The Yellowstone example.  In: W.S.D. Wilcok et al. (Eds.).  The Subsurface Seafloor Biosphere at Mid-Ocean Ridges (pp. 343-354).  Washinton DC: Am. Geophysical Union.

Baumgartner, L.K., Visscher, P.T., Dupraz, C., Przekop, K.M., Spear, J.R. & Pace, N.R.  (2005).  Microbial communities in lithifying and non-lithifying mats, Eleuthera, Bahamas [Abstract].  2005 Biennial Meeting of the NASA Astrobiology Institute, Boulder, CO.  Astrobiology, 5:298-299.

Baumgartner, L.K., Visscher, P.T., Buckley, D.H., Dupraz, C., Pace, N.R. & Spear, J.R.  (2005).  Microbial Populations in Lithifying and Non-lithifying Microbial Mat Systems: Interactions with Chemical and Physical Ecology [Abstract].  American Geophysical Union Summer Meeting.  New Orleans, LA.

Baumgartner, L.K., Reid, R.P., Dupraz, C., Decho, A.W., Buckley, D.H., Spear, J.R., Przekop, K.M. & Visscher, P.T.  (In Press, 2005).  Sulfate reducing bacteria in microbial mats: Changing paradigms, new discoveries.  Sedimentary Geology.