Opher Etzion Boris Dahav Self-Stabilization in Database Consistency Maintenance. 91-103 1996 ER Workshop Challenges of Application and Challenges of Design db/conf/er/er96w2.html#EtzionD96 er96-w2/ER96W2-P091.pdf conf/er/96w2 db/conf/er/EtzionD96.html