1. The first night effect: An EEG study of sleep;Agnew;Psychophysiology,1966
2. The extraction of sleep information from heart rate data: Analysis of the sleep cycle;Aldredge,1971
3. Comparison of an automatic sleep analyzer to visual analysis of the electroencephalogram;Bomar,1970
4. Sleep and variations in certain functional activities accompanying cyclic changes in depth of sleep;Brooks;J. appl. Physiol.,1956
5. Multivariate procedures for the behavioral sciences;Cooley,1962