Rasmussen MD, Bjerring M, Skjøth F.
Visual inspection of foremilk. I Definition of normal and abnormal milk at time of milking. Workshop of the EU-project (QLK5-2000-31006): Implications of the introduction of automatic milking on dairy farms: DIAS internal report 169. 2002. s. 47-62
Houe H
, Sørensen JT, Otto L, Kristensen AR, Bækbo P, Blom JY et al.
Animal Healths Economics. I Proc. of workshop held by Research Centre for the Management of Animal Production and Health, CEPROS report no. 7, 131 pp.. 2001. s. 131-131