A hydrologically-based station numbering system /
Woodley, Kenneth.
Institute of Hydrology.HOMS UK National Reference Centre.
Wallingford : HOMS UK National Reference Centre, Institute of Hydrology,
1990.
UK HOMS component B00.0.06
At head of title : Hydrological Operational Multipurpose System.
Hydrological Operational Multipurpose System.
Hydrometeorology