Zhou, S., John, R. I., Chiclana, F., & Garibaldi, J. M. (2010). On aggregating uncertain information by type-2 OWA operators for soft decision making. International Journal of Intelligent Systems, 25(6), pp. 540-558. doi:10.1002/int.20420

Zhou, Shang-ming, Robert I. John, Francisco Chiclana, and Jonathan M. Garibaldi. "On Aggregating Uncertain Information By Type-2 OWA Operators for Soft Decision Making." International Journal of Intelligent Systems 25, no. 6 (2010): 540-558.

Zhou, Shang-ming, Robert I. John, Francisco Chiclana, and Jonathan M. Garibaldi. "On Aggregating Uncertain Information By Type-2 OWA Operators for Soft Decision Making." International Journal of Intelligent Systems 25.6 (2010): 540-558.