@BOOK{NAP20203, title = "Food Chemicals Codex: First Supplement to the Second Edition", doi = "10.17226/20203", url = "https://nap.nationalacademies.org/catalog/20203/food-chemicals-codex-first-supplement-to-the-second-edition", year = 1974, publisher = "The National Academies Press", address = "Washington, DC" }