1. Terrestrial plant ecology;Barbour,1980
2. Restoration: an acid test for ecology;Bradshaw,1990
3. Estimation of density from line transect sampling of biological populations;Burnham;Wildl. Monogr.,1980
4. Rehabilitation after dune mining at Richards Bay Minerals;Camp;SA Mining World,1990
5. Analysis of vertebrate populations;Caughley,1977