1. Studies on the Mechanism of Metal Cutting. Bulletin Fac. Engineering. Yokohama. Nat.;NAJAYAMA;Univ,1959
2. An Analysis of the Mechanism of Orthogonal Cutting and Its Application to Discontinuous Chip Formation
3. Vorrichtung zur Schnittunterbrechung beim Drehen;KOEHLER;Industrie Anzeiger, 92, 6,1970
4. The development of a quick-stop device for metal cutting research
5. Neue Methode der Spanwurzelgewinnung zur Untersuchung des Sneidvorganges;BUDA;Industrie Anzeiger, 90, 5,1968