Griol, David; Molina, José Manuel; Callejas, Zoraida (31 de janeiro de 2019). «Combining speech-based and linguistic classifiers to recognize emotion in user spoken utterances». Neurocomputing. 326-327: 132–140. ISSN0925-2312. doi:10.1016/j.neucom.2017.01.120
Griol, David; Molina, José Manuel; Callejas, Zoraida (31 de janeiro de 2019). «Combining speech-based and linguistic classifiers to recognize emotion in user spoken utterances». Neurocomputing. 326-327: 132–140. ISSN0925-2312. doi:10.1016/j.neucom.2017.01.120