1. Grinding Fluids: Part 1—What They Are;Tarasov;The Tool and Manuf. Eng.,1961
2. Soderlund, Recent Advances in Grinding Wheels. Grits & Grinds47, No. 8.
3. Controllo di rugosita' superficiale sul pezzo;Levi;Macchine Utensili,1961
4. Colvin and Stanley, Grinding Practice, McGraw Hill, N.Y.
5. Studio sulla finitura superficiale in lavorazioni di rettifica;Levi,1959