1. Pour determiner la composition des roches;Delesse;Procede Mecan.,1862
2. Ueber geometrische Gesteinsanalysen;Rosiwal;Verhandlungen,1898
3. A method for assessment of particle size and its distribution in finely grained sedimentary rocks;Hagermann;Geol. Foren. Stockholm Forh.,1925
4. A study of the properties of globular distributions;Wicksell;Arkiv Mat. Astron. Fysik.,1924
5. The corpuscle problem: A mathematical study of a biometric problem;Wicksell;Biometrica,1925