This program is distributed freely for non-commercial use, however, we ask users to kindly cite DisPerSE as appropriately as possible in their papers, in particular by referencing the following articles (Sousbie 2011 and Sousbie & al. 2011):

@ARTICLE{2011MNRAS.414..350S,
author = {{Sousbie}, T.},
title = "{The persistent cosmic web and its filamentary structure - I. Theory and implementation}",
journal = {\mnras},
archivePrefix = "arXiv",
eprint = {1009.4015},
primaryClass = "astro-ph.CO",
keywords = {methods: data analysis, methods: numerical, galaxies: formation, galaxies: kinematics and dynamics, cosmology: observations, large-scale structure of Universe},
year = 2011,
month = jun,
volume = 414,
pages = {350-383},
doi = {10.1111/j.1365-2966.2011.18394.x},
adsurl = {http://adsabs.harvard.edu/abs/2011MNRAS.414..350S},
adsnote = {Provided by the SAO/NASA Astrophysics Data System}
}

@ARTICLE{2011MNRAS.414..384S,
author = {{Sousbie}, T. and {Pichon}, C. and {Kawahara}, H.},
title = "{The persistent cosmic web and its filamentary structure - II. Illustrations}",
journal = {\mnras},
archivePrefix = "arXiv",
eprint = {1009.4014},
primaryClass = "astro-ph.CO",
keywords = {methods: data analysis, galaxies: formation, galaxies: kinematics and dynamics, cosmology: observations, dark matter, large-scale structure of Universe},
year = 2011,
month = jun,
volume = 414,
pages = {384-403},
doi = {10.1111/j.1365-2966.2011.18395.x},
adsurl = {http://adsabs.harvard.edu/abs/2011MNRAS.414..384S},
adsnote = {Provided by the SAO/NASA Astrophysics Data System}
}

You can download the latest version of the source code here (V0.9.23) : disperse_latest.tar.gz