Simon C. W. & Emmons W. H. (1956). EEG, consciousness, and sleep. Science, 124 (3231): 1066–1069.
118
Hennevin E., Hars B., Maho C. & Bloch V. (1995). Processing of learned information in paradoxical sleep: relevance for memory. Behavioural Brain Research, 69 (1): 125–135.