Rodrigues, Ana S.L., Andelman, Sandy J., Bakarr, Mohamed I., Boitani, Luigi, Brooks, Thomas M., Cowling, Richard M., Fishpool, Lincoln D.C., da Fonseca, Gustavo A.B., Gaston, Kevin J., Hoffmann, Michael, Long, Janice S., Marquet, Pablo A., Pilgrim, John D., Pressey, Robert L., Schipper, Jan, Sechrest, Wes, Stuart, Simon N., Underhill, Les G., Waller, Robert W., Watts, Matthew E.J., and Yan, Xie (2004) Effectiveness of the global protected area network in representing species diversity. Nature, 428 (6983). pp. 640-643.

Brooks, Thomas M., Bakarr, Mohamed I., Boucher, Tim, da Fonseca, Gustavo A.B., Hilton-Taylor, Craig, Hoekstra, Jonathan M., Moritz, Tom, Olivieri, Silvio, Parrish, Jeff, Pressey, Robert L., Rodrigues, Ana S. L., Sechrest, Wes, Stattersfield, Ali, Strahm, Wendy, and Stuart, Simon N. (2004) Coverage provided by the global protected-area system: Is it enough? BioScience, 54 (12). pp. 1081-1091.

Rodrigues, Ana S. L., Akcakaya, H. Resit, Andelman, Sandy, Bakarr, Mohamed, Boitani, Luigi, Brooks, Thomas M., Chanson, Janice S., Fishpool, Lincoln D. C., da Fonseca, Gustavo A. B., Gaston, Kevin J., Hoffmann, Michael, Marquet, Pablo A., Pilgrim, John D., Pressey , Robert L., Schipper, Jan, Sechrest, Wes, Stuart, Simon N., Underhill, Les G., Waller, Robert W., Watts, Matthew E.J., and Yan, Xie (2004) Global gap analysis: priority regions for expanding the global protected-area network. BioScience, 54 (12). pp. 1092-1100.