Haas, Charles N. <br/><br/>
Quantitative microbial risk assessment / 
Charles N. Haas, Joan B. Rose, Charles P. Gerba 
 - New York:  John Wiley,  1999 
 - x, 449 p.;  24 cm. 
<br/><br/>Includes bibliographical references and index 
<br/><br/><label>ISBN: </label>0471183970 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Communicable diseases--Epidemiology--Methodology<br/>Health risk assessment<br/>Infection--Mathematical models<br/>Environmental health--Mathematical models