TY  - RPRT
TI  - A topological system for delineation and codification of the Earth's river basins
AU  - K.L. Verdin
AU  - J. P. Verdin
PY  - 1999
DO  - 10.1016/s0022-1694(99)00011-6
UR  - https://pubs.usgs.gov/publication/70021659
ID  - 70021659
ER  -