@conference {Franz2006,
	title = {Implicit {Volterra} and {Wiener series} for higher-order image analysis},
	booktitle = {{Advances in Data Analysis 30th Ann. Conf. German Classification Society}},
	year = {2006},
	pages = {60},
	author = {M O Franz and Sch{\"o}lkopf, B}
}
