TY  - JOUR
A1  - Schuba, Marko
A1  - Wrona, Konrad
A1  - Zavagli, Guido
T1  - Mobile Payments - State of the Art and Open Problems / Wrona, Konrad ; Schuba, Marko ; Zavagli, Guido
T2  - Electronic commerce : second international workshop ; proceedings / WELCOM 2001, Heidelberg, Germany, November 16-17, 2001. Ludger Fiege ... (ed.)
Y1  - 2001
UR  - https://opus.bibliothek.fh-aachen.de/opus4/frontdoor/index/index/docId/4099
SN  - 978-3-540-42878-7
N1  - Lecture Notes in Computer Science ; 2232
SP  - 88
EP  - 100
PB  - Springer
CY  - Berlin
ER  -