@InProceedings{yin03, 
author = {J. Yin and J. Martin and A. Venkataramani and L. Alvisi and M. Dahlin}, 
 title = {Separating Agreement from Execution for Byzantine Fault Tolerant Services}, 
 booktitle = {Proceedings of the 19 th ACM Symposium on Operating Systems Principles}, 
 year = 2003 , 
 month = Oct, 
 pdf = http://www.cs.utexas.edu/users/dahlin/papers/p195-Yin.pdf, 
 postscript = http://www.cs.utexas.edu/users/dahlin/papers/p195-Yin.ps, 
 category = "byz,selected" 
 }