Residual effects of herbicide-treated Eichhornia crassipes used as a soil amendment Randall K. StockerWilliam T. Haller OriginalPaper Pages: 329 - 333
A simple model for evaluating the costs and benefits of aquatic macrophytes Egbert H. Van NesMarcel. S. van den BergEkko van Ierland OriginalPaper Pages: 335 - 339