Piedade, M. T. F., & Junk, W. J. (2000). Natural Grasslands and Herbaceous Plants in the Amazon Floodplain and their Use. In W. J. Junk, J. J. Ohly, M. T. F. Piedade, & M. G. M. Soares (Eds.), The Central Amazon Floodplain: Actual Use and Options for a Sustainable Management (pp. 269-290). Leiden: Backhuys Publishers.