1. Rain gage spacing and reported rainfall;Alvarez;Bull. Int. Assoc. Sci. Hydrol.,1970
2. Correlations between monthly rainfall at eleven stations in the British Isles;Boyd;Mem. R. Meteorol. Soc.,1939
3. A correlation of the characteristics of great storms;Boyer;Trans. Am. Geophys. Union,1957
4. De variantie van de gebiedsneerslag als functie van puntneerslagen en hun onderlinge samenhang;Buishand;Meded. Landbouwhogesch. Wageningen,1977
5. Inter-station correlations in annual precipitation and in annual effective precipitation;Caffey;Colo. State Univ., Fort Collins, Colo., Hydrol. Pap.,1965