Nordlund, A., L. Lidfors, A.-S. Lindh, and B. Ewaldsson. “Behavioural Effects of the Shelter Design on Male Guinea Pigs”.
Scandinavian Journal of Laboratory Animal Science
, vol. 34, no. 1, Dec. 2007, pp. 9-16, doi:10.23675/sjlas.v34i1.114.