1. Das gesetz der proportiolalen winderstande und seine anwendugen, Leipzig;Kick,1885
2. Lebruch der aufbereitungskunde, Berlin;Rittinger von,1867
3. Crushing and grinding calculations;Bond;Allis Chalmers publication 07R923513,1961
4. Use of fracture toughness testing in characterising the commuminution potential of rock;Bearman,1989
5. Principles of communition. Part 1 Size distribution and surface calculations;Schummann;Trans. AIME,1940