@inproceedings{ICPR-1998-BulowS,
	author        = "Thomas Bülow and Gerald Sommer",
	booktitle     = "{Proceedings of the 14th International Conference on Pattern Recognition}",
	doi           = "10.1109/ICPR.1998.711271",
	isbn          = "0-8186-8512-3",
	pages         = "808--810",
	publisher     = "{IEEE Computer Society}",
	title         = "{Quaternionic gabor filters for local structure classification}",
	year          = 1998,
}