@article{articled6d31027,
title   = {How rare is too rare to harvest?: Management challenges posed by timber species occurring at low densities in the Brazilian Amazon},
author = {Schulze, Mark and Grogran, James and Landis, R. M. and Silva, Edson José Vidal da},
year = {2008},
doi = {10.1016/j.foreco.2008.02.051},
journal   = {Forest Ecology and Management}
}