Bay, N. (1986). Friction and adhesion in metal forming and cold welding. Technical University of Denmark, Institute of Manufacturing Engineering, Laboratory of Mechanical Processing of Materials.
Lua i Stíl Chicago (17ú heag.)Bay, N. Friction and Adhesion in Metal Forming and Cold Welding. Lyngby, Denmark: Technical University of Denmark, Institute of Manufacturing Engineering, Laboratory of Mechanical Processing of Materials, 1986.
Lua MLA (8ú heag.)Bay, N. Friction and Adhesion in Metal Forming and Cold Welding. Technical University of Denmark, Institute of Manufacturing Engineering, Laboratory of Mechanical Processing of Materials, 1986.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.