@conference { A.Groepl1996a,
	title = {Planning and Controlling Minimal Invasive Operations by Real-Time Direct Volume Rendering},
	booktitle = {Computer Assisted Radiology CAR},
	year = {1996},
	pages = {237-242},
	author = {Groepl , A. and G{\"u}nther , T. and Hesser , J. and M{\"a}nner , R. and Poliwoda , C. and Reinhart , C. and J{\"a}ger , W. and Wirth , J. and Hassfeld , S.}
}
