TY - BOOK AU - Berg,Gerald TI - Indicators of viruses in water and food SN - 0250400553 U1 - 576.6 PY - 1978/// CY - Ann Arbor, Mich. PB - Ann Arbor Science KW - Sanitary microbiology KW - Virus diseases KW - Prevention KW - Food KW - Microbiology KW - Transmission KW - Indicators (Biology) N1 - Includes bibliographical references and index ER -