Cheng, H., Edelsbrunner, H., &; Fu, P. (1998). Shape space from deformation. In Proceedings of the 6th Pacific Conference on Computer Graphics and Applications (pp. 104–113). Singapore: IEEE.https://doi.org/10.1109/PCCGA.1998.732056 
LibreCat: https://research-explorer.ista.ac.at/record/4019
DOI: 10.1109/PCCGA.1998.732056