@inproceedings{DBLP:conf/compgeom/YaffeH08, author = {Eitan Yaffe and Dan Halperin}, title = {Approximating the pathway axis and the persistence diagram of a collection of balls in 3-space}, booktitle = {Symposium on Computational Geometry}, year = {2008}, pages = {260-269}, ee = {http://doi.acm.org/10.1145/1377676.1377722}, crossref = {DBLP:conf/compgeom/2008}, bibsource = {DBLP, http://dblp.uni-trier.de} }