@inproceedings{JCDL-2002-LiuMZN,
	author        = "Xiaoming Liu and Kurt Maly and Mohammad Zubair and Michael L. Nelson",
	booktitle     = "{Proceedings of the Second Joint Conference on Digital Libraries}",
	doi           = "10.1145/544220.544284",
	isbn          = "1-58113-513-0",
	pages         = "283--284",
	publisher     = "{ACM}",
	title         = "{DP9: an OAI gateway service for web crawlers}",
	year          = 2002,
}