Stochastic models : 
Tijms, H. C. 
 - Chichester ; | New York :  Wiley,  1994 
 - x, 375 p. :  ill. ;  24 cm. 
 - Wiley series in probability and mathematical statistics .
<br/><br/><label>ISBN: </label>0471951234 (pbk.) | 0471943800