Probability approximations via the Poisson clumping heuristic  
Aldous, D. J. 
 - New York :  Springer-Verlag,  1989 
 - xv, 269 p. :  ill. ;  25 cm. 
<br/><br/> Includes index. 
<br/><br/><label>ISBN: </label>0387968997 (alk. paper)