1. Einsatz automatischer Melksysteme in der Milchviehhaltung [Automatic milking systems in dairy farming];Schön;Landtechnik,1997
2. Economics of robot application;Dijkhuizen;Computers and Electronics in Agriculture,1997
3. Milking robots in large dairy farms;Armstrong;Computers and Electronics in Agriculture,1997
4. La mungitura di fronte alle nuove sfide [Milking and new challenges];Sangiorgi;Mondo Macchina,1997
5. Melkroboter. Rechnet sich die neue Technik? [Milking robots: is the new technology worthwhile?];Gers-Grapperhaus;Top Agrar,1997