@article {3931,
	title = {Altruistic Locking},
	journal = {ACM Transactions on Database Systems (TODS)},
	volume = {19},
	year = {1994},
	pages = {117--165},
	doi = {10.1145/174638.174639},
	author = {Ken Salem and Hector Garcia-Molina and Jeannie Shands}
}
