@CONFERENCE{Ma06, author = {Leonardo A. Martucci and Christer Andersson and Wim Schreurs and Simone Fischer-H\"{u}bner}, title = {Trusted {S}erver {M}odel for {P}rivacy-{E}nhanced {L}ocation {B}ased {S}ervices}, pages = {13--25}, crossref = {NORDSEC_2006} } @PROCEEDINGS{NORDSEC_2006, TITLE = {Proceedings of the 11$^{th}$ Nordic Workshop on Secure IT Systems (NordSec 2006)}, BOOKTITLE = {Proceedings of the 11$^{th}$ Nordic Workshop on Secure IT Systems (NordSec 2006)}, YEAR = {2006}, editor = {Viiveke F{\aa}k}, location = {Link\"{o}ping, Sweden}, publisher = {Link\"{o}pings universitet}, month = {19--20 Oct} }