@inproceedings{SIGIR-1986-El-HamdouchiW,
	author        = "Abdelmoula El-Hamdouchi and Peter Willett",
	booktitle     = "{Proceedings of the Ninth International ACM SIGIR Conference on Research and Development in Information Retrieval}",
	cdrom         = "SIGIR1986/P149.pdf",
	doi           = "10.1145/253168.253200",
	isbn          = "0-89791-187-3",
	pages         = "149--156",
	publisher     = "{ACM}",
	title         = "{Hierarchic Document Clustering Using Ward’s Method}",
	year          = 1986,
}