1. Male gibbon loud morning calls conform to Zipf's law of brevity and Menzerath's law: insights into the origin of human language. (February 2020) Authors: Huang, Mingpan; Ma, Haigang; Ma, Changyong; Garber, Paul A.; Fan, Pengfei Journal: Animal behaviour Issue: Volume 160(2020) Page Start: 145 Record Type: Journal Article View Content: Available online (eLD content is only available in our Reading Rooms) ↗