@inbook{Friberg2014,
author = {Friberg, J.H. and Horst, C.},
title= {RDS and the structure of migrant populations},
year = {2014},
editor = {Tyldum, G.},
editor = {Johnston, L.},
booktitle = {Applying respondent driven sampling to migrant populations: Lessons from the field},
address = {London},
publisher = {Palgrave},
pages = {17--26},
}