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Miller, P. (2000). "Whisker whispers". Association of Animal Behavior Professionals. Archived from the original on 5 November 2013. Retrieved 5 November 2013.
Bradshaw, John W. S. (January 2016). "Sociality in cats: A comparative review". Journal of Veterinary Behavior: Clinical Applications and Research. 11: 113–124. doi:10.1016/j.jveb.2015.09.004. ISSN1558-7878.