Cox, D.R. <br/><br/>
The Statistical Analysis of Series of Events 
Cox, D.R. & Lewis, P.A.W. 
 - New York  Chapman and Hall  1966 
 - 267  Illustration,index & reference 
<br/><br/><label>ISBN: </label>412218003 
<br/><br/><label>Dewey Class. No.: </label>519.5  / C83929