1. Field drainage and field work days: Results from a national experiment;Armstrong;Agric. Eng.,1977
2. Effect of improved land drainage on river flows;Bailey,1981
3. Soil morphology and preferential flow along macropores;Bouma;Agric. Water Manage.,1981
4. Measurement of liquid flow in open channels;B.S.I. (British Standards Institute);Br. Stand. Inst., London, BS 3680,1965
5. A note on the dynamic calibration of tipping bucket gauges;Calder;J. Hydrol.,1978