TY - BOOK AU - Ayres,John Clifton ED - International Symposium on Food Protection TI - Chemical and biological hazards in food U1 - 641.308 22 PY - 1962/// CY - Ames PB - Iowa State University Press KW - Food contamination KW - Congresses KW - Food KW - Microbiology KW - Food additives KW - Agro. chemistry N1 - Includes bibliographical references and index ER -