1. Gursoy, H.N.; Patrikalakis, N.M. (1992) A coarse and fine finite element mesh generation scheme based on medial axis transform: Part I algorithms, Engineering with Computers, Springer-Verlag, New York
2. Blum, H. (1967) A transformation for extracting new descriptors of shape. Models for the Perception of Speech and Visual Form, Weinant Wathen-Dunn (Editor), MIT Press, Cambridge, MA, 362?381
3. Blum, H. (1973) Biologcal shape and visual science (Part I), Journal of Theoretical Biology, 38, 205?287
4. Patrikalakis, N.M.; Gursoy, H.N. (1988) Skeletons in shape feature recognition for automated analysis, MIT Ocean Engineering Design Laboratory Memorandum 88-4
5. Patrikalakis, N.M.; Gursoy, H.N. (1989) Shape feature recognition by medial axis transform, MIT Ocean Engineering Design Laboratory Memorandum 89-1