@misc{Volz2012,
author = {Volz, E. and Wejnert, C. and Cameron, C. and Spiller, M. and Barash, V. and Degani, I. and Heckathorn, D.D.},
title= {Respondent-driven sampling analysis tool (RDSAT), Version 7.1},
year = {2012},
publisher = {Cornell University},
}