@inproceedings{SIGMOD-1976-Beck,
	author        = "Leland L. Beck",
	booktitle     = "{Proceedings of the Sixth ACM SIGMOD International Conference on Management of Data}",
	cdrom         = "SIGMOD76/P179.PDF",
	pages         = "179--188",
	publisher     = "{ACM}",
	title         = "{An Approach to the Creation of Structured Data Processing Systems}",
	year          = 1976,
}