@article {3936,
	title = {Concurrency Control and Recovery for Global Procedures in Federated Database Systems},
	journal = {IEEE Data Engineering Bulletin},
	volume = {10},
	year = {1987},
	pages = {5--11},
	url = {http://sites.computer.org/debull/87SEP-CD.pdf},
	author = {Rafael Alonso and Hector Garcia-Molina and Ken Salem}
}
