Nichols, H., Slight, D. J., & Arbuckle, K. (2015). Are mixed diets beneficial for the welfare of captive axolotls (Ambystoma mexicanum)? Effects of feeding regimes on growth and behavior. Journal of Veterinary Behavior: Clinical Applications and Research, 10(2), pp. 185-190. doi:10.1016/j.jveb.2014.09.004

Nichols, Hazel, Dean J. Slight, and Kevin Arbuckle. "Are Mixed Diets Beneficial for the Welfare of Captive Axolotls (Ambystoma Mexicanum)? Effects of Feeding Regimes On Growth and Behavior." Journal of Veterinary Behavior: Clinical Applications and Research 10, no. 2 (2015): 185-190.

Nichols, Hazel, Dean J. Slight, and Kevin Arbuckle. "Are Mixed Diets Beneficial for the Welfare of Captive Axolotls (Ambystoma Mexicanum)? Effects of Feeding Regimes On Growth and Behavior." Journal of Veterinary Behavior: Clinical Applications and Research 10.2 (2015): 185-190.