1. Packing of regular (spherical) and irregular particles;Brown;Nature,1945
2. On the coefficient of loosening of rocks;Lukashev;Mining,1947
3. Dense random packing of unequal spheres;Wize;Philip. Res. Reports,1952
4. On relative density of sands;Rodina,1960
5. Studies in the use of the coefficient of loosening for evaluating the output of loading transport mechanisms in quarries;Seinov;Vsrivnoe delo,1963