1. CRC Handbook Table of Probabilities and Statistics;Beyer,1968
2. Reintroduction of takhi, Equus ferus przewalskii, to Hustai National Park, Mongolia: time budget and synchrony of activity pre- and post-release;Boyd;Appl. Anim. Behav. Sci.,2002
3. Effects of exercise on equine behavior;Caanitz;Appl. Anim. Behav. Sci.,1991
4. Guide for the Care and Use of Agricultural Animals in Agricultural Research and Teaching. Agricultural Animal Care Guide;Consortium for Developing a Guide for the S Care and Use of Agricultural Animals in Agricultural Research and Teaching,1988
5. Equine behaviour and welfare;Cooper,2005