conf/sigmod/86 Bruce G. Lindsay Laura M. Haas C. Mohan Hamid Pirahesh Paul F. Wilms A Snapshot Differential Refresh Algorithm. 53-60 1986 SIGMOD Conference db/conf/sigmod/sigmod86.html#LindsayHM86 SIGMOD86/P053.PDF http://doi.acm.org/10.1145/16894.16860 db/conf/sigmod/LindsayHM86.html conf/vldb/AdibaL80 journals/debu/HaasSBDLLMMNWY82 books/sp/kimrb85/LohmanMHDLSW85