@article {958, title = {3D thinning and its applications to medical image processing}, journal = {TASK QUARTERLY}, volume = {3}, year = {1999}, month = {1999///}, pages = {397 - 408}, isbn = {1428-6394}, author = {K{\'a}lm{\'a}n Pal{\'a}gyi and Erich Sorantin and Csongor Halmai and Attila Kuba} }