William Kent
An Overview of the Versioning Problem
SIGMOD, 1989.
@inproceedings{SIGMOD-1989-Kent,
author = "William Kent",
booktitle = "{Proceedings of the 19th ACM SIGMOD International Conference on Management of Data}",
cdrom = "SIGMOD89/P005.PDF",
pages = "5--7",
title = "{An Overview of the Versioning Problem}",
year = 1989,
}