@inproceedings{SIGMOD-1982-Driggers,
	author        = "W. G. Driggers",
	booktitle     = "{Proceedings of the 12th ACM SIGMOD International Conference on Management of Data}",
	cdrom         = "SIGMOD82/P015.PDF",
	doi           = "10.1145/582353.582358",
	pages         = "15--27",
	publisher     = "{ACM Press}",
	title         = "{A Crop Condition Assessment Database}",
	year          = 1982,
}