@inbook {673,
	title = {Tensor Lines in Engineering: Success, Failure, and Open Questions},
	booktitle = {Visualization and Processing of Higher Order Descriptors for Multi-Valued Data},
	year = {2015},
	pages = {339{\textendash}351},
	publisher = {Springer},
	organization = {Springer},
	author = {Sch{\"o}neich, Marc and Andrea Kratz and Zobel, Valentin and Scheuermann, Gerik and Stommel, Markus and Hotz, Ingrid}
}
@inbook {672,
	title = {Visualizing Symmetric Indefinite 2D Tensor Fields Using the Heat Kernel Signature},
	booktitle = {Visualization and Processing of Higher Order Descriptors for Multi-Valued Data},
	year = {2015},
	pages = {257{\textendash}267},
	publisher = {Springer},
	organization = {Springer},
	author = {Zobel, Valentin and Reininghaus, Jan and Hotz, Ingrid}
}
