Thom et al., 2001. Proc. New Zealand. Grassl. Assoc., 63: 215-221

Thom, E. R.; Burggraaf, V. T.; Waugh, C. D.; Clark, D. A., 2001. Effects of pasture species and irrigation on milk production over four summers in the Waikato. Proc. New Zealand. Grassl. Assoc., 63: 215-221