TY - BOOK AU - TI - Survey of copper and zinc in food: the fifth report of the Steering Group on Food Surveillance, the Working Party on the Monitoring of Foodstuffs for Heavy Metals SN - 0112411991 PY - 1981/// CY - London PB - H. M. S. O. KW - Food contamination KW - Great Britain KW - Food KW - Copper content KW - Zinc content ER -