Fleiss, Joseph L. <br/><br/>
Statistical methods for rates and proportions   
by Joseph L. Fleiss 
 - New York  John Wiley and sons  1973 
 - xiii, 223p. 
 - Wiley publication in applied statistics .
<br/><br/><label>ISBN: </label>0471263702 
<br/><br/><label>Dewey Class. No.: </label>519.535  / N73