70. Environmental Health Criteria 555,942 PRINCIPLES Principles for the safety assessment of food additives and contaminants in food / [IPCS International Programme on Chemical Safety in cooperation with the Joint FAO/WHO Expert Committee on Food Additives (JECFA)] [I / PCS International Programme on Chemical Safety in cooperation with the Joint FAO/WHO Expert Committee on Food Additives (JECFA)]. - Geneva : World Health Organization, 1987.