1. Rainfall measurements and rainfall distribution;Colenbrander,1970
2. Comment on “The relative efficiency of the density of rain-gauge networks”;Hutchinson;J. Hydrol.,1972
3. Hydrologic Research in the Leerinkbeek Area (Netherlands),1970
4. A Dictionary of Statistical Terms;Kendall,1960
5. Probability and Experimental Errors in Science;Parratt,1961