@article {Peckar-et-al-98,
	title = {Linear and Incremental Estimation of Elastic Deformations in Medical Registration Using Prescribed Displacements},
	journal = {Machine Graphics \& Vision},
	volume = {7},
	number = {4},
	year = {1998},
	pages = {807{\textendash}829},
	author = {Peckar, W. and Schn{\"o}rr, C. and Rohr, K. and Stiehl, H.{\textendash}S. and Spetzger, U.}
}
