1. Handbook of Mathematical Functions: With Formulas, Graphs and Mathematical Tables;Abramowitz,1972
2. Bates, D., Maechler, M., Bolker, B., 2011. lme4: Linear Mixed-Effects Models Using S4 Classes, 0.999375-42 ed. CRAN.
3. Source of variance in 24-hour dietary recall data: implications for nutrition study design and interpretation. Carbohydrate sources, vitamins, and minerals13;Beaton;The American Journal of Clinical Nutrition,1983
4. Generalized linear mixed models: a practical guide for ecology and evolution;Bolker;Trends in Ecology and Evolution (Personal edition),2009
5. Estimating usual intake distributions of nutrients and foods;Carriquiry;Journal of Nutrition,2003