M. HYDER, G. DAS, I. A. QURESHI, M. MEMON, A. JALBANI, and E. SABA. “On the Requirements of 3D Audio Telephone and Teleconferencing Calls: A Mini Review on Background of 3D Audio – From Human Hearing ToTechnology”. Sindh University Research Journal - SURJ (Science Series), vol. 44, no. 3, Sept. 2012, https://sujo.usindh.edu.pk/index.php/SURJ/article/view/5741.