@TECHREPORT{Schnell2006,
author = {Schnell, Rainer},
title = {Die Umstellung des LFS (Labour Force Survey) auf RDD-CATI (Random Digit Dialing -- Computer Assisted Telephone Interviewing)},
year = {2006},
institution = {STATEC Luxembourg},
number = {14},
series = {Économie et statistiques},
url = {http://www.statistiques.public.lu/fr/publications/series/Economie_et_statistiques/2006/14_2006/14_2006.pdf}
}