@inproceedings{SIGMOD-1989-Cohen,
	author        = "Donald Cohen",
	booktitle     = "{Proceedings of the 19th ACM SIGMOD International Conference on Management of Data}",
	cdrom         = "SIGMOD89/P225.PDF",
	doi           = "10.1145/67544.66947",
	pages         = "225--234",
	title         = "{Compiling Complex Database Transition Triggers}",
	year          = 1989,
}