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F. W.  Davis, Costello, C. J., Stoms, D. M., Machado, E. A., and Metz, J., ?A framework for setting land conservation priorities in the Sierra Nevada?, in Proceedings of the Sierra Nevada Science Symposium, vol. General Technical Report PSW-GTR-193, D. D.  Murphy and Stine, P. A., Eds. Albany, CA: Pacific Southwest Research Station, Forest Service, U.S. Department of Agriculture, 2004, pp. 195-206.

D. M.  Stoms, Davis, F. W., Costello, C. J., Machado, E. A., and Metz, J., ?A framework to extend gap analysis to multi-objective conservation planning?, Gap Analysis Program Annual Bulletin, vol. 12, pp. 42-44, 2004.

F. W.  Davis, Stoms, D. M., Costello, C. J., Machado, E. A., Metz, J., Gerrard, R., Andelman, S., Regan, H., and Church, R., ?A framework for setting land conservation priorities using multi-criteria scoring and an optimal fund allocation strategy?. National Center for Ecological Analysis and Synthesis, 2003.