Ore classification introduction

REFERENCES

1. 
   V.N. Nikiforov Technology of metals and other structural materials. - St. Petersburg: Politekhnika, 2003, 382 p.
   
2. 
   I.P. Bardin and domestic metallurgy. Academy of Sciences of the USSR. Institute of Metallurgy named after. A.A. Baykova. Publishing house "Science", Moscow, 1983.
   
3. 
   A.N. Zelikman, G.M. Voldman, L.V. Belyavskaya. Theory of hydrometallurgical processes. - M.: Metallurgy, 1983, 424 p.
   
4. 
   A.P. Volsky, E.M. Sergievskaya. Theory of metallurgical processes. - publishing house "Metallurgy", 1968, 344 p.
   
5. 
   Gafarov R.A., Emelyanov V.N., Nekhoroshkin G.F. To help the electrolysis plant. - Murmansk book publishing house, 1970, 92 p.
   
6. 
   Gran T.V., Krylov A.S. Publishing house "Metallurgy", 1970, 96 p.