TY - BOOK AU - Cowan,Marjorie Kelly TI - Microbiology: A systems approach SN - 9780073522524 (hard copy : alk. paper) AV - QR41.2 .C69 2012 U1 - 616.9/041 22 PY - 2012/// CY - New York PB - McGraw-Hill KW - Microbiology N1 - Includes bibliographical references and index ER -