1. “The Analysis of Time Series: Theory and Practice,”;Chatfield,1975
2. Seasonal rythms of human nutrient intake and meal pattern;deCastro;Physiol. Behav,1991
3. Some aspects of the chronobiology of nutrition: more work is needed on “when to eat”;Halberg;J. Nutr,1989
4. “Physiologic 24-hour Periodicity in Human Beings and Mice, the Lighting Regimen and Daily Routine;Halberg,1959
5. “The Circadian Time Structure. Chronobiology”;Haus,1980