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Velmans, M. (1992). "Is Consciousness Integrated?". Behavioral and Brain Sciences. 15 (2): 229–230. doi:10.1017/s0140525x00068473. S2CID145232451.(commentary on Dennett, Daniel C.; Kinsbourne, Marcel (1992). "Time and the observer: The where and when of consciousness in the brain". Behavioral and Brain Sciences. 15 (2). Cambridge University Press: 183–201. doi:10.1017/S0140525X00068229.