TY - BOOK AU - World Health Organization TI - Hazard characterization for pathogens in food and water: guidelines SN - 92 4 156237 4 U1 - QW85 PY - 2003/// CY - Geneva PB - W H O KW - Water - Microbiology KW - Food -Microbiology N2 - Food -Microbiology, Water - Microbiology ER -