@inproceedings{SIGMOD-1993-Tgieman,
	author        = "James R. Thieman",
	booktitle     = "{Proceedings of the 23rd ACM SIGMOD International Conference on Management of Data}",
	cdrom         = "SIGMOD93/P475.PDF",
	doi           = "10.1145/170035.170146",
	pages         = "475--478",
	publisher     = "{ACM Press}",
	title         = "{The International Directory Network and Connected Data Information Systems for Research in the Earth and Space Sciences}",
	year          = 1993,
}