TY  - RPRT
TI  - General introduction and hydrologic definitions
AU  - W. B. Langbein
AU  - Kathleen T. Iseri
PY  - 1960
DO  - 10.3133/wsp1541a
UR  - https://pubs.usgs.gov/publication/wsp1541A
ID  - wsp1541A
ER  -