Groves, C R, Jensen, D B, Valutis, L L, Redford, K H, Shaffer, M L, Scott, J M, Baumgartner, J V, Higgins, J V, Beck, M W, and Anderson, M G, 2002, Planning for biodiversity conservation: putting conservation science into practice: BioScience, v. 52, iss. 6, 499–512 p.