T. Kobayashi

Persistence of the circadian rhythm of REM sleep: a variety of experimental manipulations of the sleep-wake cycle.

M. Sasaki, T. Ohta, H. Fukuda, 1981, Sleep.

Sleep cycles as a basic unit of sleep

Y. Tsuji, S. Endo, T. Kobayashi, 1985 .

Short and long ultradian EEG components in daytime arousal.

T Kobayashi, Y Tsuji, Y. Tsuji, 1988, Electroencephalography and clinical neurophysiology.