1. Global Warming, River Flows and Water Resources;Arnell,1996
2. Determining water requirements in irrigated areas from climatological and irrigation data;Blaney;USDA (ARS) Technical Bulletin,1950
3. Long-period rainfall deficits at Oxford;Burt;Journal of Meteorology,1992
4. Global changes in a humidity index between 1931–1960 and 1961–1990;Hulme;Climate Research,1992
5. Precipitation in the British Isles: an analysis of the area-average data updated to 1995;Jones;International Journal of Climatology,1997