1. “Cut welding”;De Chiffre;CIRP Annals,1989
2. L. De Chiffre, “Metal cutting mechanics and applications”, D. Sc. thesis, Technical University of Denmark, PI (1990).
3. “Cut welding variants and applications”;De Chiffre,1990
4. “Cold welding”;Bay;Part 1,2 and 3, Metal Construction,1986
5. “Bond strength in cold roll bonding”;Bay;CIRP Annals,1985