TY - GEN AU - Coomaraswamy, Uma AU - Durairatnam, Sakuntala AU - Jayawardene, Sarojini TI - Microbiology of food: environmental and applied microbiology unit 111 SN - 9552307074 U1 - 579 PY - 1998/// CY - Sri Lanka PB - Open University KW - Genetics and evolution KW - Biology ER -