Rondahl, 2004. Rôbäcksdalen meddelar. SLU Department of Agricultural Research for Northern Sweden. Swedish Univeristy of Agricultural Science, Rapport 4: 1-24

Rondahl, T., 2004. Pea and pea-grain mixtures as whole crop protein silage for dairy cows. Rôbäcksdalen meddelar. SLU Department of Agricultural Research for Northern Sweden. Swedish Univeristy of Agricultural Science, Rapport 4: 1-24