Wolf, A., Natharius, J., Danielson, J., Ward, B., and Pender, J. (1999). International river basins of the world. International Journal of Water Resources Development, 15(4), 387-427.
Wolf, A., Natharius, J., Danielson, J., Ward, B., and Pender, J. (1999). International river basins of the world. International Journal of Water Resources Development, 15(4), 387-427.