@InProceedings{yin99b, 
author = "J. Yin and L. Alvisi and M. Dahlin and C. Lin", 
 title = "Hierarchical Cache Consistency in a WAN", 
 booktitle = "Proceedings of the 1999 USENIX Symposium on Internet Technologies and Systems (USITS99)", 
 year = 1999 , 
 month = "Oct", 
 postscript = "http://www.cs.utexas.edu/users/dahlin/papers/usits99-YinAlvisiDahlinLin.ps", 
 pdf = "http://www.cs.utexas.edu/users/dahlin/papers/usits99-YinAlvisiDahlinLin.pdf" 
 category = "webos,WANrepl" 
 }