1. Genetics of milk production;Barillet,1997
2. Manual for Use of MTDFREML;Boldman,1993
3. Machine milking of Ostfriesian and Lacaune dairy sheep: Udder anatomy, milk ejection and milking characteristics;Bruckmaier;J. Dairy Res.,1997
4. Datasheet on Sardinian sheep;Carta,2004
5. The use of equivalent mature ewes for the genetic evaluation of Sarda dairy sheep;Carta,1998