@incollection{2024:kordel:3_data_co,
title = {3. Data collection techniques},
year = {2024},
note = {},
booktitle = {Migration Impact Assessment},
pages = {29--68},
edition = {1},
author = {Kordel, Stefan},
publisher = {Nomos},
address = {Baden-Baden},
series = {Migration & Integration},
volume = {13}
}