Soenen, Thomas, et al. “SLA-Controlled Proxy Service Through Customisable MANO Supporting Operator Policies.” 2019 IFIP/IEEE Symposium on Integrated Network and Service Management (IM), 2019, pp. 707–08.

Warsitz, Ernst, and Reinhold Haeb-Umbach. “Robust Speaker Direction Estimation with Particle Filtering.”10.1109/MMSP.2004.1436569__IEEE Workshop on Multimedia Signal Processing (MMSP 2004), 2004, pp. 367–70, doi:10.1109/MMSP.2004.1436569.

Müller, Wolfgang, et al. “Interactive Multimodal User Interfaces for Mobile Devices.”10.1109/HICSS.2004.1265674__Proceedings of HICCS-37, 2004, doi:10.1109/HICSS.2004.1265674.

Geiger, Christian, et al. “Visual Specification, Modeling, and Illustrations of Complex Systems.”10.1109/HICSS.1999.772621__Proceedings of HICSS-32, 1999, doi:10.1109/HICSS.1999.772621.