@article {Rohr-Schnoerr-ivc-93,
	title = {An Efficient Approach to the Identification of Characteristic Intensity Variations},
	volume = {11},
	number = {5},
	year = {1993},
	pages = {273{\textendash}277},
	author = {Rohr, Karl and Christoph Schn{\"o}rr}
}
