1. Davidson, S., Meiklejohn, A. P. (eds.): Human Nutrition and Dietetics, p. 83. Edinburgh: Livingston, Ltd. 1963.
2. Delorme, F., Jeannerod, M., Jouvet, M.: Effects remarquables de la réserpine sur l'activité EEG phasique ponto-géniculo-occipitale. C.R. Soc. Biol. (Paris) 159, 900?903 (1965).
3. Dement, W., Kleitman, N.: Cyclic variations in EEG during sleep and their relation to eye movements, body motility and dreaming. Electroenceph. clin. Neurophysiol. 9, 673?690 (1957).
4. Ferguson, J., Cohen, H., Henriksen, S., McGarr, K., Mitchell, G., Hoyt, G., Barchas, J., Dement, W.: The effect of chronic administration of PCPA on sleep in the cat, presented to the Association for the Psychophysiological Study of Sleep, Boston, Mass., March 1969. Abstract: Psychophysiology 6, 220?221 (1969).
5. Fieve, R. R.: Multiple measurements of behavior and metabolism in interdisciplinary research, presented at the one hundred twenty-third meeting of the American Psychiatric Association, Detroit, May 8?12, 1967.