Assessing cow comfort: effects of two floor types and two tie stall designs on the behaviour of lactating dairy cows.

Haley, S.D., de Passillé, A.M.B., and Rushen, J.P. (2001). "Assessing cow comfort: effects of two floor types and two tie stall designs on the behaviour of lactating dairy cows.", Applied Animal Behaviour Science, 71(2), pp. 105-117.